Antonyms

Puissance means great power, influence, or prowess. While fragility is a physical weakness, lethargy (lack of energy/vigor) is often used as a conceptual opposite in standardized testing contexts. However, vigor is a synonym, making it incorrect as an antonym.

To grouse means to complain or grumble. The best antonym among the choices is compliment, which means to express praise. Exploit, legitimize, satiate, and compress do not represent the opposite of complaining.

Intimate means to make known or announce (as in 'intimate a suspicion'). Conceal means to keep hidden or secret - the direct opposite. Insinuate means to suggest indirectly, not opposite. Dispel means to drive away, not directly opposite.

Astute means 'having or showing keen insight and good judgment'. The opposite is 'stupid' or 'foolish'. 'Fast', 'brilliant', and 'quick' are not antonyms: brilliant is actually a synonym.

Bizarre means strange, unusual, or odd in a way that stands out from the norm. Ordinary means normal, common, or conventional - the direct opposite of bizarre. Straight refers to geometry or direction, not normality. Flower and Fall are unrelated concepts.

Prepone is widely used in Indian English as the opposite of postpone, meaning to bring an event forward to an earlier time. Therefore, it functions as an antonym of postpone.

Zaftig means having a full, plump figure. Its antonym is thin or slender. Fat, bulky, and heavy are all similar in meaning to zaftig, not opposites.

Permanent means lasting, enduring, or unchanging. 'Mutable' means changeable or impermanent, making it the correct antonym. 'Indifferent' means unconcerned, 'improper' means inappropriate, and 'frugal' means thrifty - none are opposites of permanent.

Germane means relevant, connected, or appropriate to the matter at hand. 'Irrelevant' is the correct antonym. 'Teutonic' relates to Germanic peoples, 'massive' means huge, and 'healthy' means in good health - none are opposites of relevant.

Abhor means to hate, detest, or loathe intensely. 'Adore' means to love or cherish deeply, making it the correct antonym. 'Hate' and 'detest' are synonyms of abhor, while 'absolve' means to forgive - none are opposites.

Permanent means lasting forever or unchanging. Mutable means capable of change or alteration, which is the direct opposite. Indifferent means lacking concern, improper means inappropriate, and frugal means thrifty - none relate to permanence.