1.Formidable (adjective)
- Meaning: inspiring fear or respect through being impressively large
- Synonym: intimidating
- Antonym: comforting
- Usage: Two formidable men stood on either side.
2.Humbug (noun)
- Meaning: hypocrisy
- Synonym: deceptive
- Antonym: trustworthy
- Usage: Our friend is merely a humbug wizard.
3.Perturbation (noun)
- Meaning: mental uneasiness.
- Synonym: agitation
- Antonym: calmness
- Usage: Her perturbation was caused by her friend’s sudden death.
4.Obdurate (adjective)
- Meaning: stubbornly refusing to change
- Synonym: obstinate
- Antonym: amenable
- Usage: He has no wish to be intolerant or unduly obdurate in this matter.
5.Propitious (adjective)
- Meaning: giving or indicating a good chance of success
- Synonym: favorable
- Antonym: inauspicious
- Usage: They should wait for the most propitious moment between now and the next election.
6.Puissant (adjective)
- Meaning: having great power or influence.
- Synonym: affluent
- Antonym: ineffective
- Usage: He soon became a puissant man.
7.Salubrious (adjective)
- Meaning: healthy
- Synonym: beneficial
- Antonym: unhealthy
- Usage: There were many salubrious eating establishments.
8.Supersede (verb)
- Meaning: taking the place
- Synonym: supplant
- Antonym: perpetuate
- Usage: The features of the smartphone may supersede those of the personal computer.
9.Perpetuate (verb)
- Meaning: to continue indefinitely
- Synonym: preserve
- Antonym: discontinue
- Usage: We should perpetuate the rare species.
10.Undue (adjective)
- Meaning: excessive
- Synonym: extreme
- Antonym: appropriate
- Usage: The accident was caused due to his undue attention on the road.
