1.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.
2.Odium (noun)
- Meaning: general or widespread hatred or disgust
- Synonym: abhorrence
- Antonym: approval
- Usage: The new rights bill triggered odium among social leaders.
3.Onerous (adjective)
- Meaning: involving a great deal
- Synonym: burdensome
- Antonym: effortless
- Usage: The flight attendant was not prepared to deal with the onerous passenger.
4.Prolix (adjective)
- Meaning: using or containing too many words
- Synonym: lengthy
- Antonym: brief
- Usage: He found the narrative too prolix and discursive.
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.Promiscuous (adjective)
- Meaning: dissolute
- Synonym: debauched
- Antonym: ascetic
- Usage: He was much promiscuous in his youth days.
7.Probity (noun)
- Meaning: the quality of having strong moral principles
- Synonym: integrity
- Antonym: dishonesty
- Usage: He asserted his innocence and his financial probity.
8.Proclivity (noun)
- Meaning: a tendency to choose or do something regularly
- Synonym: inclination
- Antonym: antipathy
- Usage: She showed a proclivity towards her higher studies.
9.Paucity (noun)
- Meaning: the presence of something insufficient quantities
- Synonym: scarcity
- Antonym: excess
- Usage: Paucity of evidence makes the first difficult.
10.Puissant (adjective)
- Meaning: having great power or influence.
- Synonym: affluent
- Antonym: ineffective
- Usage: He soon became a puissant man.
