- CIRCUMSPECT (ADJECTIVE): cautious, discreet
Synonyms: careful, prudent
Antonyms: careless, unwise
Example Sentence:Circumspect doctors avoid recommending wrong medicines to their patients.
- FLUKE (NOUN): chance of occurrence
Synonyms: blessing, quirk
Antonyms: misfortune, certainty
Example Sentence:Their victory was a bit of a fluke.
- INSURMOUNTABLE (ADJECTIVE): impossible
Synonyms: unbeatable, invincible
Antonyms: attainable, defeatable
Example Sentence:It is an unsurmountable task to get any high degree without studying for it.
- INTRICATE (ADJECTIVE): very complicated or detailed
Synonyms: complex, difficult
Antonyms: easy, straightforward
Example Sentence:Biology is considered as an intricate subject.
- RANCOUR (NOUN): bitterness, hatefulness
Synonyms: animosity, hostility
Antonyms: friendliness, kindness
Example Sentence:Although my friend betrayed me, I have no rancour towards him.
- EVINCE (VERB): to show, reveal
Synonyms: manifest, demonstrate
Antonyms: conceal, hide
Example Sentence:His nail biting evinced that he was nervous for the interview.
- EXPIATE (VERB): to rectify
Synonyms: amend, correct
Antonyms: worsen, destroy
Example Sentence:It is better to expiate your mistakes than to find excuses.
- METTLESOME (ADJECTIVE): brave
Synonyms: courageous, high-spirited
Antonyms: meek, fearful
Example Sentence:He is a mettlesome boy.
- SANGUINE (ADJECTIVE): optimistic and confident
Synonyms: happy, cheerful
Antonyms: morose, sad
Example Sentence:The sanguine lady started her new business.
- DEMUR (VERB): disagree
Synonyms: vacillate, oppose
Antonyms: accept, agree
Example Sentence:There were certain reasons to demur the proposal
