/red"flag"/ , v. , red-flagged, red-flagging , adj.
v.t.
1. to mark or draw attention to for a particular purpose: The department has red-flagged the most urgent repair work to be done.
2. to provoke the attention of; alert; arouse: The animal's refusal to eat red-flagged the keeper that something was wrong.
adj.
3. of or pertaining to a red flag.
4. intended or serving to emphasize, warn, incite, or provoke.
[ 1880-85 ]