1.Posthumous (adjective)
- Meaning: happening after death
- Synonym: post-mortal
- Antonym: ante-mortem
- Usage: His books are published as a posthumous collection.
2.Phenomenal (adjective)
- Meaning: exceptionally good
- Synonym: extraordinary, remarkable
- Antonym: ordinary
- Usage: The business grew in this new location at a phenomenal rate.
3.Rigorous (adjective)
- Meaning: extremely careful
- Synonym: meticulous, diligent
- Antonym: careless
- Usage: The products undergo rigorous testing before market launching.
4.Presume (verb)
- Meaning: supposing or assuming something
- Synonym: assumption
- Antonym: deduce
- Usage: I presumed the correct answers by chance.
5.Proliferation (noun)
- Meaning: rapid increase in quantity
- Synonym: escalation
- Antonym: decline
- Usage: The proliferation of the cancer cells needs to be stopped with immediate treatment.
6.Transverse (adjective)
- Meaning: extending across something
- Synonym: crosswise
- Antonym: parallel
- Usage: The board in the street is supported by transverse rods.
7.Substantial (adjective)
- Meaning: of considerable importance
- Synonym: considerable, sizeable
- Antonym: worthless
- Usage: A substantial amount of money is announced for prize.
8.Futile (adjective)
- Meaning: incapacity or worthless
- Synonym: fruitless
- Antonym: productive
- Usage: The futile war will lead to nowhere.
9.Linger (verb)
- Meaning: staying for a longer time span.
- Synonym: persist
- Antonym: leave
- Usage: The pain continued to linger even after medication.
10.Plunge (verb)
- Meaning: jump or diving in
- Synonym: thrust
- Antonym: climb
- Usage: The mariners plunged into the sea from the boat.
