c. 1200, from un- (1) "not" + wholesome (adj.). Similar formation in Flemish onheylsaem, German unheilsam, Old Norse uheilsamr.
unwholesome habits like smoking
unwholesome food
unwavering
unwearied
unwed
unwelcome
unwell
unwholesome
unwieldy
unwilling
unwind
unwise
unwisely
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