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likely to harm or kill someone, or to damage or destroy something
causing a lot of damage or harm
causing physical harm to something so that it is broken, spoiled, or injured
involving the possibility of danger, harm, or failure
dangerous, especially to people’s health or safety
causing severe damage or loss
in an online conversation, repeatedly asking a person questions which suggest that you are interested in what they are talking about, but are actually intended to annoy them
an experienced person who helps someone who has less experience, especially in their job
an electric skateboard
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Free thesaurus definition of dangerous or harmful from the Macmillan English Dictionary - a free English dictionary online with thesaurus and with pronunciation from Macmillan Publishers Limited.