Cantankerous
(adj) argumentative and uncooperative.
Cantankerous
Synonym: Bad-tempered
Cantankerous
Antonym: kind/happy
Deride
(Verb) to verbally rip apart
Deride
Synonym: mock/ insult
Deride
Antonym: compliment
Debacle
(Noun) a disaster
Debacle
Synonym: failure
Debacle
Antonym: success
Temerity
(Noun) excessive or foolish boldness
Temerity
Synonym: nerve/rashness
Temerity
Antonym: caution
Ennui
(Noun) dissatisfaction or exhaustion caused by boredom.
Ennui
Synonym: fatigue
Ennui
Antonym: enthusiasm