Pronunciation: /ˈtɛltel/
noun a person or thing that reveals information or gives evidence of something
A1 The telltale sign of a good bakery is the smell of freshly baked bread.
A2 She knew he was lying because there was a telltale twitch in his eye.
B1 The detective found a telltale clue that led to the identity of the suspect.
B2 The telltale heart in Edgar Allan Poe's story symbolizes the guilt of the narrator.
C1 The telltale signs of climate change are becoming more apparent with each passing year.
C2 The telltale markings on the artifact indicated its origin from ancient Egypt.
adjective revealing, indicating, or betraying something
A1 The telltale sign of a good banana is when it starts to turn yellow.
A2 Her telltale blush gave away her embarrassment.
B1 The telltale odor of gas alerted us to a potential leak.
B2 The telltale scratches on the door indicated that someone had tried to break in.
C1 The telltale heart rate monitor showed signs of distress.
C2 The telltale signs of aging were beginning to show on her face.
formal The telltale signs of climate change are becoming more evident with each passing year.
informal She knew he was lying by the telltale twitch in his eye.
slang The telltale smell of cigarette smoke lingered in the room.
figurative The telltale heart in Edgar Allan Poe's famous story symbolizes the guilt of the narrator.
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