Dictionary.com
Thesaurus.com

flag up

British  

verb

  1. (tr; adverb) to bring (something) to someone's attention; point out

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

She said this was to flag up the fact Murrell had been served with an indictment, warning ministers that the case was live and that they should not comment on it.

From BBC

The linesman has been told all season not to put their flag up, so their brain has been trained.

From BBC

An email was then sent to surgical trainees inviting them to flag up concerns, leading to Gilbert's dismissal in May 2022.

From BBC

Salah, however, feels he is right to flag up he has hardly been Liverpool's only problem this season.

From BBC

Just throw the flag up when they're off.

From BBC