Synonyms & Antonyms
🔒 Log in to trackThe root-word method: decode words you have never seen
🔒 Log in to trackSSC vocabulary questions recycle the same few thousand words, but every year a couple of words are new to almost everyone. The root-word method converts such words from guesses into deductions: most English 'hard' words are built from Latin and Greek parts, and knowing 40 roots covers hundreds of exam words.
| Root | Sense | Examples |
|---|---|---|
| bene- | good, well | benevolent, benefit, benign, benefactor |
| mal-/male- | bad | malevolent, malice, malfunction, malnutrition |
| bon-/eu- | good | bona fide, euphoria, eulogy |
| loqu / locut | speak | eloquent, loquacious, elocution, soliloquy |
| dict | say, declare | dictate, contradict, verdict, predict |
| voc / vok | call, voice | vocal, revoke, advocate, invoke |
| cred | believe | credible, credulous, incredible, credit |
| mit / miss | send | transmit, emissary, remit, missile |
| path | feeling, suffering | sympathy, apathy, empathy, pathological |
| sens / sent | feel | sensitive, sentiment, consensus, dissent |
| morph | shape, form | amorphous, metamorphosis, morpheme |
| chron | time | chronic, chronology, synchronise, anachronism |
| temp | time | temporary, contemporary, temporal |
| ego | self | egocentric, egoist, alter ego |
| ambi / amphi | both, around | ambiguous, ambidextrous, amphibious |
| am / amic | love, friend | amiable, amicable, amity, amorous |
| anthrop | human | anthropology, philanthropy, misanthrope |
| phil | love | philanthropy, philosopher, bibliophile |
| phob | fear | phobia, hydrophobia, acrophobia |
| gen | birth, kind | genius, generate, genocide, congenital |
| graph / scrib / script | write | autograph, describe, manuscript, scribble |
| spec / spect | look | inspect, spectator, circumspect, perspective |
| vis / vid | see | visible, evident, vision, provident |
| aud | hear | audible, audience, auditorium |
| port | carry | transport, portable, export, deport |
| duc / duct | lead | conduct, educate, deduce, aqueduct |
| tract | pull, draw | attract, extract, retract, tractable |
| press | press, push | compress, depress, impression |
| pos / pon | place | position, postpone, deposit, component |
| sequ / secut | follow | sequence, consequence, execute, sequel |
| cert | sure | certain, certify, ascertain |
| cur / curs | run | current, excursion, cursory, cursive |
| rupt | break | rupture, interrupt, bankrupt, erupt |
| fid | faith | confide, fidelity, diffident, confident |
| greg | flock, group | gregarious, segregate, aggregate |
| jur / jud | law, judge | jury, justice, prejudice, adjudicate |
| leg / lex | law, read | legal, legislate, legacy, lexicon |
| sol | alone / sun | solitude, solitary, solo / solar, solstice |
| ver | truth | verify, veracity, verdict, veritable |
| grad / gress | step, go | gradual, progress, digress, egress |
How to deploy it in the exam. When you meet an unknown word, split it:
- MALEVOLENT = male- (bad) + vol (wish) + -ent → 'wishing bad' → hostile. Even without recalling vol, 'male-' alone rules out friendly options.
- CIRCUMSPECT = circum- (around) + spect (look) → 'looking around' → cautious.
- SOLILOQUY = soli (alone) + loqu (speak) → 'speaking alone' → a monologue.
Prefixes and suffixes also reveal the part of speech even when meaning stays dark: -ous/-ful build adjectives (dangerous), -tion/-ment build nouns (creation), -ise/-fy build verbs (simplify). Knowing the class alone eliminates two of four options in synonym questions, because options usually mix classes.
Build the habit: whenever you learn a new word, spend ten seconds finding its root. The root then pays out on every relative of that word — learn credulous and incredible, credible, creed, credential all come free.
Detailed notes
Why roots work
A synonym question gives you a word and four options. When you do not know the word, you are not helpless: most hard exam words are built from prefix + root + suffix, and the same few dozen parts appear again and again. Decode the parts, and you can often choose the nearest meaning without ever having seen the word.
The prefixes that appear most
| Prefix | Meaning | Example |
|---|---|---|
| in-, im-, il-, ir-, un-, dis- | not | indispensable (cannot be done without), illegible, irregular |
| mal- | bad | malicious, malnutrition |
| bene- | good, well | benefactor, benevolent |
| circum- | around | circumvent, circumference |
| pre-, post- | before, after | postpone, precaution |
| sub-, super- | under, above | subordinate, supervise |
| mono-, poly- | one, many | monotone, polyglot |
| auto- | self | autobiography, autograph |
| magn- | great | magnanimous, magnitude |
| chron- | time | chronological, chronicle |
| aud-, vis-, spect- | hear, see, look | audible, visible, inspect |
| port- | carry | portable, transport |
| dict- | say | dictate, contradict |
| tract- | pull | attract, extract |
| anim- | mind, spirit | magnanimous, unanimous |
The method, step by step
- Split the word into parts you recognise: MAGNANIMOUS = magn (great) + anim (mind, spirit) + ous (adjective ending).
- Translate the parts: great-spirited → generous, ready to forgive.
- Match with the options: generous is the nearest meaning.
- Check the part of speech: -ous, -ful, -ive endings usually mean an adjective; -tion, -ment, -ness a noun. Your answer should match.
When the method misleads: the false-root trap
A few famous words look like they contain a helpful root, but the meaning has drifted. Learn these five as fixed exceptions:
- enervate = to weaken (it looks like 'energy' but means the opposite).
- restive = restless, hard to control (it looks like 'rest' = calm).
- inflammable = easily set on fire (it does not mean 'not flammable').
- invaluable = extremely valuable (it does not mean 'worthless').
- noisome = foul-smelling (it has nothing to do with noise).
If you know the word directly, trust your memory over the root. Use the root only as a guessing tool for unknown words, and be extra careful when an option simply repeats the root's surface meaning — for enervate, the trap option is 'to energise'.
Building speed
In practice, run a two-second prefix check on every option: does its prefix match the stem word's prefix family? If the stem has a positive prefix (bene-) and an option carries a negative one (mal-), the option is almost certainly wrong. This one habit removes one or two options in most questions even when you do not know any word fully.
Quick revision
- Split → translate → match → check part of speech.
- Core prefixes: not (in/im/il/ir/un/dis), bad (mal), good (bene), around (circum), one/many (mono/poly), self (auto), before/after (pre/post).
- Core roots: spect (look), port (carry), dict (say), chron (time), anim (spirit), tract (pull), aud (hear).
- Memorise the false-root five: enervate, restive, inflammable, invaluable, noisome.
Types of questions asked
Every way this subtopic shows up in exams — how to recognise it, the formula or logic to use, and a solved example.
Type 1: Prefix gives the direction (positive or negative)very common2 practice Q
The stem word starts with a strong prefix (mal-, bene-, in-/un-/dis-) and one or two options start with opposite prefixes.
- Read the prefix: mal = bad, bene = good, in/un/dis = not.
- Fix the direction of the meaning before reading the options.
- Reject options whose direction clashes; choose the nearest positive/negative match.
Why it works: prefixes are stable across thousands of words.
Example: Nearest in meaning to MALICIOUS
mal = bad → intending harm → spiteful. Kind-hearted fails the direction check.
Type 2: Root gives the core meaningvery common2 practice Q
The stem contains a root you know (spect, port, dict, chron, anim) even if the whole word is unfamiliar.
- Strip the prefix and suffix; find the root.
- Recall the root's meaning (port = carry, chron = time).
- Pick the option built on that core idea.
Why it works: Greek and Latin roots keep their meaning in every English word that borrows them.
Example: Nearest in meaning to MAGNANIMOUS
magn (great) + anim (spirit) → generous, forgiving.
Type 3: Chunking a long word into known piecescommon4 practice Q
The word is long and technical-looking (chronological, indispensable, circumvent).
- Cut the word where a known piece ends: circum + vent.
- Translate piece by piece: around + come.
- Assemble: to come around → to get around a rule by cleverness.
Why it works: long exam words are usually transparent stacks of two known pieces.
Example: Nearest in meaning to CHRONOLOGICAL
chron = time → arranged in time order. Alphabetical is the planted wrong order.
Type 4: False-root trap wordscommon2 practice Q
An option simply repeats the surface root (energise for enervate, calm for restive, worthless for invaluable).
- Check the word against the memorised false-root list first.
- If it is on the list, ignore the apparent root and use the fixed meaning.
- Then treat the root-repeating option as the trap, not the answer.
Why it works: these five words are famous precisely because their shape misleads.
Example: Nearest in meaning to ENERVATE
Weaken, not energise. The 'energy' shape is the trap.
Shortcut tricks
⚡ Split-then-eliminate
Chop the unknown word at its joins (bene-vol-ent), translate the parts you know, and eliminate options contradicting them. One confident root kills two options.
Example: BENEVOLENT means: cruel / kindly / generous-sized / talkative.
Bene- = good → the kind option. Malevolent (male- = bad) would be the antonym — options often plant it as a decoy.
⚡ Family clustering
Learn words in root families, not alphabetical order: dict family (dictate, verdict, indomitable? no — edict, indict), loqu family (eloquent, loquacious). One sitting per family.
⚡ Positive/negative split
Roots carry emotional charge: bene-, eu-, am- are warm; mal-, dys-, phob-, mis- are cold. When stuck, mark the word's charge and choose an option of matching charge.
Where students lose marks
Confusing look-alike roots: malevolent (bad) vs magnanimous (great-souled, generous).
Trusting the first familiar half ('understand' contains 'stand' but is not about standing).
Ignoring suffixes and losing the part-of-speech elimination.
Learning alphabetical lists; root families stick, alphabet lists evaporate.
Practice sets — 13 questions
Sets of 10, mixed across the question types above. Each answer comes with a step-by-step explanation.
Topic test · 13 questions
Suggested time 6 min · wrong answers go to your mistake notebook automatically.