Untimely

unsuitable improper ill-timed unseemly unfit inopportune unfavorable unfortunate wrong inconvenient previous early premature unlucky intrusive mistimed unsuited inauspicious undue malapropos inexpedient anachronistic disagreeable abortive awkward unpropitious badly timed soon too early too late overearly oversoon out-of-date early on a bit previous early bird bright and early unseasonable