Entry 1 sense Webster, 1913 Multiform /(mŭl"tĭ*fôrm)/ · Mul·ti·form · IPA /ˈmuʌltiˌfɔɹm/ 01 a. Having many forms, shapes, or appearances. 1. Having many forms, shapes, or appearances. “A plastic and multiform unit.” — Hare.