Crossword clues for the word: FITTEST The word FITTEST has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for FITTEST Showing 1 to 7 of 7 results Clue(s) Best at phys ed, most likely Best be injury-free for the big match Evolutionary survivors Healthiest Most apt to survive Survival group Survival of the ____