Childish. Puerile, weak, infantine; silly, foolish, trivial, trifling.

Ant. Manly, strong, wise, sagacious; important, momentous.

Chimerical. Visionary, imaginary, unreal, dreamy, fanciful, fabulous.

Ant. Real, actual, substantial, veritable.

Chivalrous. Knightly, gallant, gentlemanly, heroic, valiant, spirited.

Ant. Dastardly, recreant, sneaking.

Choice, n. Option, preference, alternative, selection, election, free will.

Ant. Necessity, compulsion; refusal; force; fate, predestination.

Choice, a. Select, dainty, rare, valuable, cherished, exquisite, precious.

Ant. Common, ordinary, despicable, cheap, inferior.