The Collaborative International Dictionary of English v.0.48:

Mincing \Min"cing\, a.
   That minces; characterized by primness or affected nicety.
   [1913 Webster]

WordNet (r) 3.0 (2006):

mincing
    adj 1: affectedly dainty or refined [syn: dainty, mincing,
           niminy-piminy, prim, twee]

Moby Thesaurus II by Grady Ward, 1.0:

40 Moby Thesaurus words for "mincing":
   affected, dainty, dandyish, delicate, effeminate, elegant,
   euphemistic, euphuistic, exquisite, fastidious, finical, finicking,
   finicky, foppish, formalistic, fussy, goody good-good, goody-goody,
   la-di-da, namby-pamby, nice, overnice, overprecise, overrefined,
   particular, pedantic, pernickety, persnickety, precieuse, precious,
   precisian, precisianistic, precisionistic, pretentious, puristic,
   put-on, simpering, squeamish, stilted, too-too



Easton's 1897 Bible Dictionary:

Mincing
   (Heb. taphoph, Isa. 3:16), taking affectedly short and quick
   steps. Luther renders the word by "wag" or "waggle," thus
   representing "the affected gait of coquettish females."