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English definition of “harmless”

harmless

adjective uk   /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
adverb uk   /-li/ us  
harmlessness
noun [U] uk   /-nəs/ us  
Safe and secure
(Definition of harmless from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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