IMPOTENCE—weakness, incapacity, infirmity, frailty, feebleness. (Power.)
IMPOTENT—weak, feeble, helpless, enfeebled, nerveless, infirm. (Strong.)
IMPRESSIVE—stirring, forcible, exciting, moving.
IMPRISON—incarcerated, shut up, immure, confine. (Liberate.)
IMPRISONMENT—captivity, durance.
IMPROVE—amend, better, mend, reform, rectify, ameliorate, apply, use, employ. (Deteriorate.)
IMPROVIDENT—careless, incautious, imprudent, prodigal, wasteful, reckless, rash. (Thrifty.)
IMPUDENCE—assurance, impertinence, confidence, insolence, rudeness.
IMPUDENT—saucy, brazen, bold, impertinent, forward, rude, insolent, immodest, shameless.
IMPULSE—incentive, incitement, instigation.