n.
a word, letter, or number placed before another.
▸an element placed at the beginning of a word to adjust or qualify its meaning (e.g. ex-, non-, re-) or (in some languages) as an inflection.
▸a title placed before a name (e.g. Mr).
v.
add as a prefix or introduction.
▸add a prefix or introduction to.
Derivative
Etymology
C16 (as v.): from OFr. prefixer, from L. praefixus, praefigere ‘fix in front’, from prae ‘before’ + figere ‘to fix’; the noun is from mod. L. praefixum, neut. of praefixus.