Antonyms

 Chide means to express disapproval or scold or reproach someone.

 Ostentatious is someone who shows off a lot and pretends in order to impress others.

Knack means a clever or skillfull way of doing something.

Aggrandize means to make something appear greater, more important, or powerful than it actually is - to enhance or increase in power or status. The opposite would be to diminish, minimize, or make something seem less significant. Option E 'belittle' means to cause something to seem less important or significant, which is the correct antonym. Options A, C, and D suggest unrelated concepts.

Anachronism refers to something that belongs to a different time period, especially something that is outdated or out of place in time. The opposite would be something that fits appropriately in its time or context - something congruous or harmonious with its surroundings. Option E 'congruity' means harmony, agreement, or appropriateness in context, which contrasts with the notion of something being out of its proper time.

Endemic refers to something that is characteristic of, native to, or restricted to a particular region, locality, or people. The opposite would be something foreign, alien, or introduced from outside - not native or characteristic of that region. Option A 'exotic' means foreign, alien, or introduced from another place, which contrasts with the concept of being native or characteristic of a specific region. Option C 'episodic' refers to occurrence patterns, not origin.

Impromptu describes something that is done without preparation, planning, or rehearsal - spontaneous and unplanned. The opposite would be something that is planned, prepared, or practiced beforehand. Option A 'rehearsed' means practiced or prepared in advance, which directly contrasts with the unplanned, spontaneous nature of impromptu. Options B, C, D, and E suggest recognition, focus, vagueness, or lack of intent, none of which are true opposites.

Inimitable describes something that is so distinctive, unique, or excellent that it cannot be copied or imitated by anyone else. The opposite would be something ordinary, common, or easily replicated. Option E 'plain' suggests something ordinary, common, or lacking distinctive features, which contrasts with the notion of being uniquely distinctive and impossible to copy. Options A, B, C, and D suggest other qualities unrelated to imitability.

Unearth means to dig up, discover, or reveal something that was hidden, buried, or concealed. The opposite would be to hide, bury, or cover something up. Option B 'conceal' means to hide, keep secret, or cover from view, which directly contrasts with the act of uncovering or revealing. Options A, C, D, and E suggest conformity, respect, mixing, or planning, none of which are opposites of unearthing.

Exodus refers to a mass departure of people from a place, especially emigration. The opposite would be a mass arrival or movement into a place. Option C 'influx' means an inflow or arrival of people or things in large numbers, which directly contrasts with the outward movement of an exodus. Options A, B, D, and E suggest searching, retracting, applying, or meeting, none of which represent movement into a place.

Beseech means to earnestly ask or beg someone. Command is the opposite - it means to give an authoritative order rather than making a pleading request. Adjure and berate also involve speaking to people, but they don't capture the direct reversal of the power dynamic that command does.

Dissension refers to disagreement, conflict, or division between people. Arbitration is the process of resolving disputes through a neutral third party, making it the opposite concept. The other options - incongruity, indisposition, lopsidedness, laceration - all describe negative states or imbalances, not the resolution of conflict.

Unimpeachable means beyond criticism or doubt, completely trustworthy and above suspicion. Questionable is the direct opposite - something that can be doubted or challenged. Preventable and available are unrelated concepts, while irritable describes a temperament rather than reliability.

Debilitate means to weaken, impair, or make someone less effective. Fortify is the direct opposite - to strengthen or make more resistant. Abate means to reduce in intensity but not necessarily weaken overall capability, while the other options are unrelated to strengthening.