Implausible

Meaning: نامعقُول ۔ غیر مَعقُول ۔ حقیقی نظر نہ آنے والا ۔ بے صُورت ظاہِر ۔ ناپَسندیدہ

Explanation: (Adjective)- (of an argument or statement) not seeming reasonable or probable; failing to convince.

Example: This is a blatantly implausible claim.

Synonyms: Dubious, Farfetched, Flimsy.

Antonyms: Believable, Convincing.

[Dawn Vocabulary: 18-06-2021]

Vitiate

Meaning: ناقص بنانا ۔ نوعیت بِگاڑ دینا ۔ نُقصان پہنچانا ۔ گندا کر دینا ۔ خراب کر دینا

Explanation: (Verb)- Spoil or impair the quality or efficiency of.

Example: Development programmes have been vitiated by the rise in population.

Synonyms: Annihilate, Negate, Quash.

Antonyms: Allow, Help, Permit, Affirm.

[Dawn Vocabulary: 16-06-2021]