impressible, adj. See - impressionable.
impression, n. 1. strong effect, influence, sway, hold, power, control.
2. feeling, sensation, sense; intuition, inkling, vague feeling, Inf. funny feeling, suspicion, Inf hunch; consciousness, awareness, sentience, sensibility, perception; remembrance, recollection; sentiment, fancy, notion, idea, thought, conception, belief.
3. mark, figure, brand, indentation, impress, Archaic. impressure.
4. impersonation, imitation, mimicry, parody, takeoff.
impressionable, adj. susceptible, persuadable, yield ing, receptive, susceptive; impressible, soft, pliable, plastic, malleable; flexible, fictile, moldable; young, undeveloped, unfledged, callow, inexperienced, innocent, open, tender; responsive, alive to, sensitive, sentient, sensible, feeling, intuitive, perceptive.
impressionability, n. susceptibility, persuadability, yieldingness; receptiveness, receptivity, susceptiveness, responsiveness; youth, callowness, inexperience, innocence, openness, tenderness; sensitivity, sensibility, feeling, intuition, perception; impressibility, softness, pliableness, pliability, plasticity, malleability, flexibility; fictileness, clayiness, moldability.
improbable, adj. unlikely, highly unlikely, not probable or likely, doubtful, dubious, questionable, Inf. fishy; implausible, impractical, unrealistic, incredible, unbelievable; inconceivable, unthinkable, out of the question, ridiculous, absurd, crazy, impossible.
improbity, n. dishonesty, fraud, falseness, disingenuousness, breach of faith, faithlessness; malpractice, misconduct, bad conduct, scandal; crookedness, Law. malfeasance, wrongdoing; maliciousness, scurviness, reprobacy, depravity; unrighteousness, wickedness, badness; villainy, baseness, knavery, roguery, miscreancy.
impromptu, adj. 1. unprepared, unpremeditated, unrehearsed, unprompted; extemporized, extemporaneous, extemporary, extempore, ad-lib, SI. off-the-cuff, offhand; improvised, makeshift, jury-rigged.
2. spontaneous, spur-of-the-moment, last-minute, impulsive, impetuous.
improper, adj. 1. incorrect, false, erroneous, mistaken, wrong; inexact, inaccurate, faulty, amiss, off base, off the mark; unsound, untrue, inapplicable.
2. unseemly, unbecoming, indecorous; unladylike, ungentlemanly, ungenteel, impolite; undignified, unrefined, unpolished, inelegant, indelicate; impolitic, imprudent, indiscreet, tactless, injudicious; untoward, Inf out-of-the-way, Inf. off-key, out-of-bounds, out-of-line, out-of-order.
3. indecent, risqu6, off-color; offensive, obscene, lewd, smutty; immoral, corrupt, sinful, wicked, reprehensible; illicit, illegitimate, unlawful.
4. inappropriate, inapt, inapposite, unmeet, unfitting, unbefitting; unwarranted, uncalled-for, out of place, out of keeping; inopportune, ill-timed, unseasonable, untimely, infelicitous; unfavorable, incommodious, inconvenient, uncongenial, unlikely; unsuitable, unsuited, unfit, ill-adapted, incompatible; inexpedient, inadvisable, impractical, inapplicable, unfeasible.
5. abnormal, irregular, unusual.
impropriety, n. incorrectness, nonconformance, indecorum, indecorousness, bad taste; unseemliness, imprudence, immodesty; inappropriateness, incongruity, unsuitability, unsuitableness.
2. blunder, slip, mistake, error, faux pas, fault; mishap, misstep, gaucherie, absurdity.