telltale

[ tel-teyl ]

/ ˈtɛlˌteɪl /

SEE MORE SYNONYMS FOR telltale ON THESAURUS.COM

noun

a person who heedlessly or maliciously reveals private or confidential matters; tattler; talebearer.

a thing serving to reveal or disclose something.

any of various indicating or registering devices, as a time clock.

Music. a gauge on an organ for indicating the air pressure.

an indicator showing the position of a ship's rudder.

a row of strips hung over a track to warn train crew members on freight trains that a low bridge, tunnel, or the like is approaching.

Yachting. (on a sailboat) a feather, string, or similar device, often attached to the port and starboard shrouds and to the backstay, to indicate the relative direction of the wind.

Squash. a narrow piece of metal across the front wall of a court, parallel to and extending 17 inches (43.2 cm) above the base: a ball striking this is an out.

adjective

that reveals or betrays what is not intended to be known: a telltale blush.

giving notice or warning of something, as a mechanical device.

Nearby words

tellin, telling, telling-off, tellingly, telloh, telltale, tellurate, tellurian, telluric, telluric acid, telluride

Origin of telltale

First recorded in 1540–50; tell¹ + tale

Related forms

tell·tale·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for tell tales

telltale

/ (ˈtɛlˌteɪl) /

noun

a person who tells tales about others

an outward indication of something concealed
(as modifier)a telltale paw mark

any of various indicators or recording devices used to monitor a process, machine, etc

nautical

another word for dogvane
one of a pair of light vanes mounted on the main shrouds of a sailing boat to indicate the apparent direction of the wind

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

Idioms and Phrases with tell tales

tell tales

Divulge secrets, as in Don't trust him; he's apt to tell tales. This expression was first recorded about 1350. A variant, tell tales out of school, first recorded in 1530, presumably alluded to schoolchildren gossiping but was soon broadened to revealing secret or private information. Both may be obsolescent.