Ambagious. Winding, devious, sinuous; tortuous, indirect, evasive, circuitous; diffuse, dull, tedious; dubious, enigmatical, vague.

Ant. Direct, straight, frank, open, simple, straightforward, plain, clear, lucid, unmistakable.

Ambassador. Minister, envoy, legate, deputy, plenipotentiary.

Ambient. Surrounding, encompassing, enfolding, circling, investing.

Ant. Penetrating, infiltrating, permeating, intervening.

Ambiguous. Doubtful, dubious, uncertain, indefinite, vague, obscure, indistinct, equivocal, enigmatical.

Ant. Obvious, plain, clear, lucid, unmistakable.

Ambition. Emulation, rivalry, aspiration, competition, opposition.

Ant. Contentment, moderation, indifference, satisfaction.

Amelioration. Amendment, improvement, promotion, bettering, elevation.