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Definition of suffix

suffix

/ˈsʌf.ɪks/
suf · fix

Plural:suffixes
•
Adjective:suffixal
•
Past Simple:suffixed
•
Past Participle:suffixed
•
Present Participle:suffixing
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suffix Lexical Profile

suffix Game Scores & Validity

• noun

1

A morpheme added at the end of a word or stem to form a derivative or inflection (such as '-ation', '-fy', '-ing', or '-itis').

Example

"Adding the suffix '-ness' to the adjective 'happy' changes it into the noun 'happiness'."


2

A character, symbol, or string of characters appended to the end of a name, file name, or mathematical variable to indicate type, generation, or distinction.

Example

"The system uses the file suffix to determine which software program should open the document."

Synonyms
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• verb

1

To append or attach (especially a morpheme, syllable, or characters) to the end of a word, stem, or string.

Example

"In regular English verbs, speakers suffix '-ed' to the base form to indicate the past tense."

Synonyms
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Word Origin & Etymology

Borrowed in the late 18th century from Modern Latin 'suffixum', a noun use of the neuter past participle of Latin 'suffigere' (to fasten underneath or attach on top of), formed from 'sub-' (under, after) and 'figere' (to fasten or fix).

Cite this Entry


Wordmom. (2026). Definition of Suffix. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/suffix
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