GOOGOLPLEX /ˈɡuːɡɒl-/ ► audio Scrabble 21 Words With Friends 26 Definition noun a cardinal number represented as 1 followed by a googol of zeros (ten raised to the power of a googol). See all 44 words you can make from GOOGOLPLEX → 10-letter words Words starting with G Words ending with X ← Unscramble different letters