overabundant Syllabification: (o·ver·a·bun·dant)Pronunciation: /ˌōvərəˈbəndənt/Definition of overabundant adjective excessive in quantity:overabundant microbial growthDerivatives overabundance noun overabundantly adverb overabundant in other Oxford dictionaries Definition of overabundant in the British & World English dictionary