0 allowing a secret to become known: --
She found lipstick on his shirts - the telltale sign that he was having an affair.
1 a person, especially a child, who secretly tells someone in authority, especially a teacher, that someone else has done something bad, often in order to cause trouble --
2 important because of showing information: --
These are some of the telltale signs of termites.
NYA ORD
European
May 10, 2021
DAGENS ORD
Shimmer
telltale