Antonyms

Affable means friendly, good-natured, or easy to talk to. Irascible means having a tendency to be easily angered, making it the correct antonym.

Hapless means unfortunate or unlucky. Fortunate is the clear antonym.

Slack means loose; limp. Its opposite is taut, meaning tight.

Sinuous means winding; devious; indirect. Its opposite is direct.

Shallow means less deep. Its opposite is profound, meaning very deep.

Sinewy means strong; powerful. Its opposite is weak.

Sinecure means an easy job that pays well. Its opposite is arduous employment.

 'Incoherent' means unintelligible and incomprehensible. So, its opposite is intelligible.

'Imbecility' means foolishness and its opposite is cleverness.

An interesting thing captures attention; something 'bland' is dull or uninteresting, making it the correct antonym.

Blasphemous refers to showing disrespect for sacred things; 'reverent' means showing deep respect, making it the direct antonym.

Hidden means kept out of sight; 'blatant' means completely obvious or done openly, serving as a suitable antonym in many contexts.

Clear implies transparency or brightness; 'murky' means dark, gloomy, or unclear, making it the correct antonym.

Dreary means dull, bleak, or depressing; 'cheerfulness' is the state of being happy and bright, making it the antonym.

Fuzzy means indistinct or blurred. Clear is the direct opposite, meaning easy to perceive or understand.