Immunity. Freedom, exemption, release, exoneration; prerogative, privilege, right, liberty, charter, franchise; dispensation.

Ant. Liability, obligation, jurisdiction, impost, amenability, burden.

Imp. Sprite, hobgoblin, demon, devil, flibbertigibbet, scamp, brat.

Ant. Cherub, angel.

Impact. Impulse, shock, impression, stroke; collision, contact, striking, impinging; application.

Ant. Isolation, separation, interval, removal, avoidance, non-contact, shave.

Impair. Deteriorate, vitiate, injure, harm, make worse; lessen, diminish, decrease; enervate, weaken, enfeeble; reduce, damage.

Ant. Enhance, improve, repair, augment, better, increase.

Impassioned. Passionate, vehement, impetuous, animated, exciting, glowing, intense, fervid, fervent, warm, ardent, zealous; spirited.

Ant. Cool, impassive, unimpassioned, apathetic, indifferent.