Something that has been added or appended; an added statement, word, etc.; (Grammar) an affix.

Grammar. An element (as a prefix, suffix, infix, etc.) added to the base form or stem of a word, in order to modify its meaning (in inflection) or…

Linguistics. A servile word or affix which expresses a purely grammatical relation. Cf. sense A. 7b. Obsolete.

Chiefly in Semitic languages: a syllable, particle, etc., suffixed as a formative element. Cf. preformative, n.

Grammar. A formative element (see A. 4); also ‘a word formed in accordance with some rule or usage, as from a root’ (W.); (cf. derivative, n. 2)…

Grammar. Any of a set of words (sometimes treated as a minor part of speech and sometimes including affixes) that are typically short and…

Philology. A suffix to a root or stem, forming a longer root or stem. (Sometimes used more loosely.)