Ill, n. Wickedness, depravity, evil; misfortune, calamity, affliction, misery, harm, pain.

Ant. Good, blessing, fortune; righteousness, integrity, honor.

Ill, a. Bad, evil, unfortunate, unfavorable; wicked, wrong, iniquitous, naughty; sick, ailing, diseased, disordered, poorly, indisposed; cross, crabbed, surly, peevish, hateful, malicious; ill-favored, ugly.

Ant. Well, strong, good, vigorous, healthy, robust, hearty, hale.

Ill-bred. Impolite, uncivil, uncourteous, uncourtly, uncouth, unpolished, rude, ill-behaved, ill-mannered.

Ant. Polite, well-behaved, civil, refined, courteous.

Illuminate. Light, illumine, illume; enlighten, make wise, instruct, inspire; emblazon, irradiate.

Ant. Darken, obscure, bedim, mislead, delude.

Illusion. Delusion, hallucination, deception, error, fallacy, mockery, fantasy, phantasm, chimera; dream, vision, myth.

Ant. Body, substance, form, reality, actuality, essence.