Word Study
inopportune
OXFORD DICTIONARY
inopportune, adj. not appropriate, esp. as regards time; unseasonable.
Derivative
inopportunely adv. inopportuneness n.
Etymology
L inopportunus (as IN-(1), OPPORTUNE)
THESAURUS
inopportune
bad, futile, ill-advised, ill-considered, ill-seasoned, ill-suited, ill-timed, impolitic, improper, inadvisable, inappropriate, inapt, inauspicious, incongruous, inconvenient, inept, inexpedient, infelicitous, intempestive, intrusive, irrelevant, late, mal a propos, malapropos, mistimed, off base, out of line, out of phase, out of place, out of time, premature, too late, too soon, unbefitting, undesirable, unfavorable, unfit, unfitting, unfortunate, unhandy, unhappy, unlucky, unmeet, unprofitable, unpropitious, unready, unripe, unseasonable, unseemly, unsuitable, untimely, untoward, unwise, wrongROGET THESAURUS
inopportune
Inexpedience
N inexpedience, inexpediency, undesirableness, undesirability, discommodity, impropriety, unfitness, inutility, disadvantage, inexpedient, undesirable, unadvisable, inadvisable, objectionable, inapt, ineligible, inadmissible, inconvenient, incommodious, discommodious, disadvantageous, inappropriate, unfit, ill-contrived, ill-advised, unsatisfactory, unprofitable, unsubservient, inopportune, out of place, in the wrong place, improper, unseemly, clumsy, awkward, cumbrous, cumbersome, lumbering, unwieldy, hulky, unmanageable, impedient, unnecessary, it will never do.Untimeliness
N untimeliness, intempestivity, unseasonableness, inexpedience, unsuitable time, improper time, unreasonableness, evil hour, contretemps, intrusion, anachronism, bad time, wrong time, inappropriate time, not the right occasion, unsuitable time, inopportune time, poor timing, ill-timed, mistimed, ill-fated, ill-omened, ill-starred, untimely, unseasonable, out of date, out of season, inopportune, timeless, intrusive, untoward, mal a propos, unlucky, inauspicious, infelicitous, unbefitting, unpropitious, unfortunate, unfavorable, unsuited, inexpedient, unpunctual, too late for, premature, too soon for, wise after the event, monday morning quarterbacking, twenty-twenty hindsight, inopportunely, as ill luck would have it, in an evil hour, the time having gone by, a day after the fair, after death the doctor, after meat mustard.For further exploring for "inopportune" in Webster Dictionary Online