kleenex/ˈkli.nɛks/EtymologyFrom the name of brand of tissues trademarked by Cellucotton Products Company (now Kimberly-Clark) in 1924–25. Alteration of clean + -ex.kleenex means A disposable tissue. Lexicurio rates it Sui generis — a strength score of 86 out of 100.kleenex is pronounced /ˈkli.nɛks/.nounA disposable tissue.“Could you hand me a kleenex? My nose is running.”