yellow flag

noun — 3 senses

yellow flag

noun
1

A Eurasian and northwest-African aquatic iris, Iris pseudacorus.

2

Figuratively, Informal A minor red flag (indication of danger).

3

Used other than figuratively or idiomatically: see yellow, flag.

Coordinate terms
beige flag, black flag, blue flag, chequered flag, green flag, orange flag, pink flag, red flag, white flag

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.