"Crass" refers to being insensitive, rude, or lacking refinement. Its opposite is refined, meaning cultured, polite, and sophisticated.

Opposite Words: Genteel, Polished, Courtly, Refined, Patrician.

"Amiable" means friendly, pleasant, and easy to get along with. Its opposite is unfriendly, meaning not kind or warm.

Opposite words: Surly, Irritable, Boorish, Irascible, Discourteous.

"Revere" means to deeply respect or venerate. Profane means to disrespect or treat something sacred with contempt, which is the opposite.

Opposite words: Abhor, Denounce, Profane, Despise, Scorn.

"Infinitesimal" means extremely small or minute. Its opposite, gargantuan, refers to something enormous or gigantic.

Opposite words: Huge, Massive, Gigantic, Titanic, Gargantuan, Mammoth, Giant, Prodigious.

"Adhere" means to stick or be attached firmly. Detach means to separate or loosen something from a surface, making it the opposite.

Opposite Words: Drop, Loosen, Detach, Separate. 

"Moisture" refers to the presence of liquid, especially water, in small amounts. Its opposite is dryness, which refers to the lack of moisture.

Opposite words: Aridity, Dryness, Dehydration.

"Gist" refers to the essential or central idea, the most important point. Trivial point refers to something insignificant or unimportant, the opposite of the main or key point.
Opposite words: Trivial, Minor, Unimportant.

Emit" means to release or give off something, like light or sound. Absorb means to take in or soak up, which is the opposite action.

Opposite words: Absorb, Imbibe, Soak, Exploit.

"Manifest" means to make something clear or visible, while conceal means to hide or keep something secret. These words are direct opposites.
Opposite words: Hide, Obscure, Disguise, Camouflage, Privy, Mask.

"Adamant" means to be firmly determined or unyielding in attitude. Its opposite, pliable, refers to something that is flexible or easily influenced, implying a willingness to change.

Opposite words: Pliable, Elastic, Pliant, Malleable, Flexible, Tractable.