Impetuous. Fierce, vehement, violent, furious, passionate, precipitate, hasty, headlong, over-zealous, reckless, rash, excitable.

Ant. Careful, slow, deliberate, thoughtful, reflective, leisurely.

Implement. Utensil, tool, appliance, instrument.

Ant. Labor, work, science, art, agriculture, manufacture.

Implicate. Entangle, enfold, involve, connect, associate, compromise, charge, incriminate.

Ant. Disconnect, extricate, acquit, dissociate.

Implication. Entanglement, involution; inference, conclusion; intricacy, complication; concealment, latency; allusion, insinuation, innuendo, adumbration.

Ant. Arrangement, system, orderliness; manifestation, expression, exposition, demonstration, production.

Implicit. Understood, implied, inferred, tacit; unreserved, unhesitating, firm, steadfast, unshaken, undoubting; involved.

Ant. Expressed, explicit, developed, stated, plain, specific, unambiguous.