Origin: 1525–35; <
Latin functiōn- (stem of
functiō) a performance, execution, equivalent to
funct(
us) (past participle of
fungī) performed, executed +
-iōn- -ion Related formsin·ter·func·tion, adjective
mul·ti·func·tion, adjective
non·func·tion·ing, adjective
o·ver·func·tion·ing, adjective
pre·func·tion, noun
EXPANDre·func·tion, verb (used without object)
sub·func·tion, noun
su·per·func·tion, noun
un·func·tion·ing, adjective
well-func·tion·ing, adjective
COLLAPSE