Word parts bulb + -ous Pronunciation IPA (key): /ˈbʌlbəs/ or /ˈboʊlbəs/ Audio (UK)(file) Adjective Positive bulbous Comparative more bulbous Superlative most bulbous If something is bulbous, it is shaped like a bulb; it is bloated.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads