<p><strong>Adjective</strong></p><ul><li>not marked</li><li>characterized by the absence of a distinctive phonological feature, as (p), which, in contrast to (b), lacks the distinctive feature of voicing</li><li>characterized by the absence of a grammatical marker, as the singular in English in contrast to the plural, which is typically marked by an -s ending</li><li>neutral with regard to an element of meaning specified by a semantically related item</li><li>occurring more typically than an alternative form</li></ul>