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 -ness in gentleness, -ing in walking, or -s in sits.
tr.v. suf·fixed, suf·fix·ing, suf·fix·es
To add as a suffix.
[New Latin suffīxum, from Latin, neuter of suffīxus, past participle of suffīgere, to fasten underneath, affix : sub-, sub- + fīgere, to fix, fasten; see dhīgw- in the Appendix of Indo-European roots.]
suf′fix·ation (sŭf′ĭk-sāshən), suf·fixion (sə-fĭkshən) n.
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