Aghast. Dismayed, horrified, terrified, frightened; amazed, astounded, startled, astonished, dumfounded.
Ant. Cool, fearless, indifferent, unmoved, unaffected, unexcited.
Agile. Nimble, active, lively, smart, prompt, alert, supple, brisk, quick, ready, sprightly, spry.
Ant. Slow, heavy, clumsy, bulky, awkward, inert, ponderous.
Agitate. Disturb, trouble, shake, jar, convulse; excite, rouse, ferment; fluster, hurry, disconcert; discuss, controvert, debate, examine, ventilate, investigate; deliberate, contrive, devise, plan.
Ant. Calm, allay, pacify, smooth, compose, quiet; solve, determine, settle.
Ago. Past, gone, since.
Ant. Future, coming, hereafter, hence.
Agony. Anguish, torture, torment, distress, throe, pangs, pain, suffering, woe, excruciation.
Ant. Assuagement, comfort, relief, composure, ease, enjoyment.