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CBSE · Class 11 · English

Synonyms and Antonyms

Standard difficulty · 20 questions · 40 marks

Name: Date: Score: ____ / 40

Write full answers in Sections B and C. Answers are on the last page — try every question first!

Section A — Choose the correct answer8 × 1 = 8 marks
1.
Choose the word closest in meaning to “vivid”.
  1. striking
  2. faint
  3. flamboyant
  4. vigilant
2.
Choose the word closest in meaning to “humid”.
  1. casual
  2. damp
  3. arid
  4. gregarious
3.
Choose the word closest in meaning to “venerate”.
  1. inoffensive
  2. revere
  3. despise
  4. unruly
4.
Choose the word closest in meaning to “whimsical”.
  1. sober
  2. fanciful
  3. hardy
  4. reinforce
5.
Choose the word most nearly OPPOSITE in meaning to “zealous”.
  1. indifferent
  2. ardent
  3. tough
  4. averse
6.
Choose the word most nearly OPPOSITE in meaning to “serene”.
  1. universal
  2. calm
  3. casual
  4. turbulent
7.
Choose the word most nearly OPPOSITE in meaning to “negligent”.
  1. tranquil
  2. neglectful
  3. attentive
  4. lenient
8.
Choose the word most nearly OPPOSITE in meaning to “ostentatious”.
  1. showy
  2. suppress
  3. abundant
  4. modest
Section B — Short answer8 × 2 = 16 marks
9.
Write one synonym (a word with the same meaning) for each: “sagacious”, “frivolous”.
10.
Write one synonym (a word with the same meaning) for each: “impeccable”, “indolent”.
11.
Write one synonym (a word with the same meaning) for each: “eloquent”, “tenacious”.
12.
Write one antonym (a word with the opposite meaning) for each: “nefarious”, “nonchalant”.
13.
Write one antonym (a word with the opposite meaning) for each: “perilous”, “abundant”.
14.
Write one antonym (a word with the opposite meaning) for each: “obstinate”, “trivial”.
15.
Rewrite each sentence, replacing the word in capitals with a word of OPPOSITE meaning: (a) The school decided to ABOLISH homework on weekends. (b) He was RELUCTANT to leave his friends and move to a new city.
16.
Rewrite each sentence, replacing the word in capitals with a word of OPPOSITE meaning: (a) Floppy disks have become OBSOLETE. (b) Priya was ANXIOUS before her board exam results.
Section C — Longer answers4 × 4 = 16 marks
17.
For the word “placate”: (a) write what it means, (b) give one synonym and one antonym, (c) use it in a sentence of your own.
18.
For the word “mitigate”: (a) write what it means, (b) give one synonym and one antonym, (c) use it in a sentence of your own.
19.
Sort these six words into three pairs of OPPOSITES: “minute”, “discern”, “increase”, “mitigate”, “miss”, “immense”.
20.
Sort these six words into three pairs of words with the SAME meaning: “hurried”, “hasty”, “perfect”, “impeccable”, “eloquent”, “expressive”.
AmbifulWorksheets
Practice that never repeats
CBSE · Class 11 · English

Answer key

Synonyms and Antonyms · AW-11E-SYN-2026-V1 · For parents — fold back or tear off before handing the sheet to your child.

QAnswerWorking
1(a) strikingVivid: very bright, clear and full of detail. Synonyms: bright, clear, striking.
2(b) dampHumid: warm and wet in the air. Synonyms: muggy, sticky, damp.
3(b) revereVenerate: to respect someone or something very deeply. Synonyms: revere, honour, esteem.
4(b) fancifulWhimsical: playfully unusual and unexpected. Synonyms: playful, fanciful, quirky.
5(a) indifferentZealous: full of strong enthusiasm for a cause. Opposites: apathetic, indifferent.
6(d) turbulentSerene: calm and peaceful. Opposites: agitated, turbulent.
7(c) attentiveNegligent: not taking enough care. Opposites: careful, attentive.
8(d) modestOstentatious: meant to impress people with wealth. Opposites: modest, understated.
9sagacious: wise (or shrewd, astute); frivolous: silly (or trivial, flippant)Any one listed synonym, or another word with the same meaning.
10impeccable: flawless (or perfect, faultless); indolent: lazy (or idle, slothful)Any one listed synonym, or another word with the same meaning.
11eloquent: articulate (or fluent, expressive); tenacious: persistent (or determined, dogged)Any one listed synonym, or another word with the same meaning.
12nefarious: honourable (or virtuous); nonchalant: anxious (or concerned)Any one listed antonym, or another word with the opposite meaning.
13perilous: safe (or secure); abundant: scarce (or sparse)Any one listed antonym, or another word with the opposite meaning.
14obstinate: flexible (or yielding); trivial: important (or significant)Any one listed antonym, or another word with the opposite meaning.
15(a) establish (or create) (b) eager (or willing)The sentence may need a small change to read well with the new word.
16(a) current (or modern) (b) calm (or relaxed)The sentence may need a small change to read well with the new word.
17(a) To make someone less angry. (b) Synonym: pacify (or calm, appease); antonym: provoke (or enrage). (c) Sample: The manager offered a refund to placate the customer.Any sentence that uses the word correctly.
18(a) To make something less harmful or serious. (b) Synonym: reduce (or lessen, soften); antonym: intensify (or increase). (c) Sample: Planting trees can mitigate the effects of heat waves.Any sentence that uses the word correctly.
19mitigate – increase; discern – miss; immense – minute—
20impeccable – perfect; hasty – hurried; eloquent – expressive—