Impossible to prevent or stay away from something that will definitely happen.
From Old English 'un-' (not) plus 'avoidable.' Avoidable comes from Old Norse 'vaða' and Old French words meaning 'to empty' or 'to leave empty.'
Death and taxes are famously called unavoidable, but climate change is becoming an unavoidable consequence of our choices—understanding what we can't avoid helps us prepare rather than just hope it goes away!
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