The Collaborative International Dictionary
Mouldiest
Moldy \Mold"y\, Mouldy \Mould"y\, a. [Compar. Moldieror Mouldier; superl. Moldiest or Mouldiest.] [From Mold the growth of fungi.] Overgrown with, or containing, mold; smelling of mold; as, moldy cheese or bread.
Wiktionary
mouldiest
a. (en-superlativemouldy)
WordNet
mouldiest
See mouldy