Definition of prewarn in English:

prewarn

Line breaks: pre|warn
Pronunciation: /priːˈwɔːn
 
/

verb

[with object]
Inform (someone) of a possible future danger or problem; forewarn: people living within areas that have been prone to flooding would be prewarned
More example sentences
  • It is better to be pre-warned than to be taken by surprise and found unprepared.
  • Tornadoes just happen — there's nothing that pre-warns you about it, they can happen anywhere.
  • After thinking about it and pre-warning them of my views I said "yes".

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Word of the day apposite
Pronunciation: ˈapəzit
adjective
apt in the circumstances or relation to something