<p><strong>Adjective</strong></p><ul><li>Of or relating to a theme.</li><li>Grammar.</li><li>(Of a word or words) of, relating to, or producing a theme or themes.</li><li>(Of a vowel) pertaining to the theme or stem: the thematic vowel ends the stem and precedes the inflectional ending of a word form, as "i" in Latin audiō “I hear.”</li></ul>