Telltale

/ˈtɛlˌteɪl/

Meaning & Definition

noun
A person who reveals secrets or informs on others; a tattletale.
The telltale was quick to inform the teacher about the mischief in the classroom.
A sign or indication of something; a clue.
The telltale signs of a storm were visible in the darkening sky.
adjective
Revealing or indicating something, especially in a way that is indicative of guilt or wrongdoing.
His telltale nervousness gave away that he was lying.
Serving as a warning or indication.
The telltale markings on the wall suggested a recent break-in.

Etymology

Middle English: from tell + tale.

Common Phrases and Expressions

telltale signs:
indications that something is true or happening.
telltale heart:
a reference to guilt manifesting itself.

Related Words

Slang Meanings

A telltale in games refers to a player who reveals too much information.
Don't be a telltale when you're playing poker.
In a casual context, it can refer to someone who talks too much and reveals secrets.
She's such a telltale, always spilling the beans.