<p><strong>Adjective</strong></p><ul><li>not timely; not occurring at a suitable time or season; ill-timed or inopportune.</li><li>Synonyms: unsuitable, inconvenient, inappropriate, unseasonable.</li><li>happening too soon or too early; premature: his untimely demise.</li></ul><p><strong>Adverb</strong></p><ul><li>prematurely.</li><li>unseasonably.</li></ul>