PROBABLY /ˈpɹɒbli/ ► audio Scrabble 17 Words With Friends 20 Definition adverb with considerable certainty. — synonyms: likely, in_all_likelihood, in_all_probability, belike adverb easy to believe on the basis of available evidence. — synonyms: credibly, believably, plausibly See all 90 words you can make from PROBABLY → 8-letter words Words starting with P Words ending with Y ← Unscramble different letters