heterogeneous

mastery
UK /ˌhɛt.(ə.)ɹəˈd͡ʒiː.nɪəs/ US /ˌhɛt.(ə.)ɹəˈd͡ʒiː.ni.əs/adj

card 1 of 10 · synonym

Which word is closest in meaning to 'heterogeneous' in this sentence?

He had a large and heterogeneous collection of books.