- An affix added to the end of a word or stem, serving to form a new word or functioning as an inflectional ending, such as <em>-ness</em> in <em>gentleness, -ing</em> in <em>walking,</em> or <em>-s</em> in <em>sits.</em>
- To add as a suffix.
- To attach at the end: specifically used of adding or annexing a letter or syllable, a suffix.
- In. <em>grammar</em>, a letter or syllable added or annexed to the end of a word or to a verbal root or stem; a formative element, consisting of one or more letters, added to a primitive word to make a derivative; a postfix; a terminal formative, as the -<em>th</em> of <em>length</em>, the -<em>d</em> of <em>loved</em>, the -<em>ly</em> of <em>godly</em>, the -<em>ly</em> of <em>badly</em>, etc.
- In <em>mathematics</em>, an index written after and under a letter, as <em>x</em><sub>0</sub>, <em>x</em><sub>1</sub>, <em>x</em><sub>2</sub>, <em>x</em><sub>3</sub>.
- A letter, letters, syllable, or syllables added or appended to the end of a word or a root to modify the meaning; a postfix.
- A subscript mark, number, or letter. See <er>Subscript</er>, a.
- To add or annex to the end, as a letter or syllable to a word; to append.
- One or more letters or sounds added at the end of a word to modify the word's meaning, such as able, which changes sing into singable, for example.
- to <xref>append</xref> (something) to the end of something else
- attach a suffix to
- an affix that is added at the end of the word