Synonyms Starting with I
Imprimatur Synonyms: approval.Imprint Synonyms: mark, stamp, press, impress, seal, sign, engrave, reproduce.impression, effect, indication, impact, influence.mark, stamp, seal, sign, indentation, character, figure.Imprison Synonyms: jail, incarcerate, immure, impound, commit, lock up, trammel, confine, constrain, restrain, retain, detain, hold, keep, enclose.Improbable Synonyms: unlikely, rare, implausible, uncommon, doubtful, questionable, chancy, risky.Impromptu Synonyms: improvised, extemporaneous, extemporary, adlib, makeshift, unrehearsed, offhand, unpremeditated, spontaneous, off the cuff.Improper Synonyms: unsuitable, inappropriate, unfit, inapt, unbecoming, unseemly, questionable, suggestive, offensive, indecorous, indelicate, indecent, off-color, lewd.Impropriety Synonyms: slip, mistake, blunder, gaucherie, ineptitude, oversight, inadvertence, gaffe, faux pas.Improve Synonyms: better, ameliorate, benefit, help, enhance, advance, promote, polish, purify, refine, reform, revise, amend, correct, right, rectify.Improvement Synonyms: betterment, enrichment, amelioration, enhancement, advancement, promotion, reform, correction, amendment, reconstruction.Improvise Synonyms: extemporize, adlib, contrive, devise, wing it, concoct, hatch, make do, dream up, invent, originate.Imprudent Synonyms: unwise.Impudence Synonyms: insolence.Impudent Synonyms: insolent, rude, impertinent, forward, saucy, bold, brazen, presumptuous, cheeky, insulting, disrespectful.Impugn Synonyms: challenge, attack, oppose, assail, deny, negate, rebut, contradict, dispute, call in question, question.Impulse Synonyms: urge, stimulus, spur, itch, drive, instinct, desire, motive, inclination, penchant, propensity, need.Impulsive Synonyms: rash, impetuous, excitable, emotional, spontaneous, unpremeditated, thoughtless, imprudent, incautious, hasty, sudden, abrupt, precipitate.Impure Synonyms: unchaste, immodest, loose, immoral, coarse, gross, unclean, smutty, indecent, lewd, obscene.dirty, unclean, foul, filthy, contaminated, polluted.Impurity Synonyms: pollutant, contaminant, adulteration.Imputation Synonyms: insinuation.Impute Synonyms: attribute, ascribe, assign, credit, refer, arrogate, allege, imply, insinuate, slur, reproach, blame, brand, charge, denounce.In-depth Synonyms: thorough, intensive, penetrating, exhaustive, extensive, comprehensive, profound.Inability Synonyms: incapability, incapacity, weakness, impotence, powerlessness, incompetence, ineptitude, unskillfulness, clumsiness.Inaccuracy Synonyms: error, fault, mistake, slip, incorrectness, miscalculation, misinterpretation, typo.Inaccurate Synonyms: unexact, imprecise, incorrect, faulty, erroneous, wrong, careless, loose, sloppy.Inaction Synonyms: immobility, rest, standstill, inertia, suspension, stagnation, idleness, desuetude.