WordReference Random House Learner's Dictionary of American English © 2026
suf•fix /n. ˈsʌfɪks; v. ˈsʌfɪks, səˈfɪks/USA pronunciation
n. [countable]
v. [~ + [object]
WordReference Random House Unabridged Dictionary of American English © 2026- Grammaran affix that follows the element to which it is added, as -ment in entertainment.
v. [~ + [object]
- Grammarto add as a suffix.
suf•fix
(n. suf′iks;v. suf′iks, sə fiks′),USA pronunciation n.
v.t.
v.i. [Gram.]
suf•fix•al
(suf′ik səl, sə fik′-),USA pronunciation adj.
suf•fix•a•tion
(suf′ik sā′shən),USA pronunciation suf•fix•ion
(sə fik′shən),USA pronunciation n.
- Grammaran affix that follows the element to which it is added, as -ly in kindly.
- something added to the end of something else.
v.t.
- Grammarto add as a suffix.
- to affix at the end of something.
- to fix or put under.
v.i. [Gram.]
- to admit a suffix.
- to add a suffix.
- Neo-Latin suffixum, noun, nominal use of neuter of Latin suffixus (past participle of suffīgere to attach on top of ), equivalent. to suf- suf- + fixus (see fix)
- 1595–1605
'suffixation' also found in these entries (note: many are not synonyms or translations):