We found 2 dictionaries that define the word retardest:

General (1 matching dictionary)

1. retardest: Wiktionary

Slang (1 matching dictionary)

2. retardest: Urban Dictionary

▸ Words similar to retardest ▸ Usage examples for retardest ▸ Idioms related to retardest ▸ Wikipedia articles (New!) ▸ Words that often appear near retardest ▸ Rhymes of retardest ▸ Invented words related to retardest