a gesture, glance, or facial expression used as a surreptitious signal to warn, admonish, or inform.
A secret signal intended to warn or inform, as in Dad gave us the high sign when it was time to leave. This expression presumably alludes to a gesture such as a hand wave. [ c. 1900 ]
/ˈhaɪˌsmɪθ/ noun 1. Patricia. 1921–95, US author of crime fiction. Her novels include Strangers on a Train (1950) and Ripley’s Game (1974)
noun 1. (def 9). noun 1.
[hahy-soun-ding] /ˈhaɪˈsaʊn dɪŋ/ adjective 1. having an impressive or pretentious sound; grand: the high-sounding titles of minor officials. adjective 1. another term for high-flown
[hahy-speed] /ˈhaɪˈspid/ adjective 1. designed to operate or operating at a high speed: a high-speed drill. 2. Photography. suitable for minimum light exposure: high-speed film; a high-speed lens. adjective (photog) 1. employing or requiring a very short exposure time: high-speed film 2. recording or making exposures at a rate usually exceeding 50 and up to […]