perilous
adjective/ˈperələs/
/ˈperələs/
(formal or literary)- very dangerous synonym hazardous
- a perilous adventure/journey
Oxford Collocations DictionaryPerilous is used with these nouns:- adventure
- journey
- situation
- …
Word OriginMiddle English: from Old French perillous, from Latin periculosus, from periculum ‘danger’, from the base of experiri ‘to try’.Definitions on the go
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perilous