Pronunciation (UK) IPA (key): /prəˈdɪd͡ʒəs/ (US) IPA (key): /prəˈdɪd͡ʒəs/ or /proʊ-/ Audio (US)(file) Hyphenation: pro‧dig‧i‧ous Adjective Positive prodigious Comparative more prodigious Superlative most prodigious If something is prodigious, it is very big in size, or quantity. Synonyms: abundant, intense, colossal, huge and giantWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads