The Collaborative International Dictionary
Suffixed
Suffix \Suf*fix"\, v. t. [imp. & p. p. Suffixed; p. pr. & vb. n. Suffixing.] To add or annex to the end, as a letter or syllable to a word; to append.
Wiktionary
suffixed
vb. (en-past of: suffix)
Usage examples of "suffixed".
She loathed taking orders or even responding to any request that wasn't suffixed with a 'please'.