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English definition of “inadvertent”

inadvertent

adjective  /ˌɪn·ədˈvɜr·tənt/ us  
done or happening unintentionally: an inadvertent mistake
inadvertently
adverb  /ˌɪn·ədˈvɜr·tənt·li/ us  
I inadvertently gave her change for $20, but she’d only given me $10.
(Definition of inadvertent from the Cambridge Academic Content Dictionary © Cambridge University Press)
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