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English definition of “harmless”

harmless

adjective     /ˈhɑːm.ləs/ US  /ˈhɑːrm-/
B2 not able or not likely to cause harm: Peter might look a bit fierce, but actually he's fairly harmless. There were those who found the joke offensive, but Johnson insisted it was just a bit of harmless fun.Safe and secure harmlessly     /-li/ adverb harmlessness     /-nəs/ noun [U] Safe and secure
(Definition of harmless adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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