i Register
In some senses, tattletale is marked as colloquial. Watch for register when choosing this word.
ADV.
such
adj
telltale; giveaway
noun
One who tattles (reports others' wrongdoings), often a child seeking attention.
One who gossips, often for the sake of attention.
verb
To act as a tattletale; to tell on; to give away, reveal, or expose.
noun — someone who gossips indiscreetly
You're such a tattletale.
Tatoeba · #1423350I'm not a tattletale.
Tatoeba · #5241999i Register
In some senses, tattletale is marked as colloquial. Watch for register when choosing this word.