distress signal

noun

1. a signal used, or designed to be used, by persons in peril, for the purpose of summoning aid, indicating their position, etc., as a radio code sign, aerial flare, flag hoist, or the like.

2. an indication, especially a nonverbal one, that assistance, cooperation, or the like, is needed.

   He correctly interpreted the host's upturned eyes as a distress signal and hastily changed the subject.

distress signal

noun

1. a signal by radio, Very light, etc from a ship or other vessel in need of immediate assistance

Word History and Origins

Origin of distress signal¹

First recorded in 1870–75

Related Words

• warning signal www.thesaurus.com