tattle-tale noun & adjective. ['tat(ǝ)lteɪl] colloq. (orig. & chiefly N. Amer.). L19.
[formed as TATTLER + TALE noun after tell-tale.]
A. noun.
1. A person who reveals secrets, a tell-tale. L19.

2. A tachograph. M20.
b. attrib. or as adjective. That reveals secrets, tell-tale. M20.

Special collocations & comb.:
tattle-tale grey noun & adjective (of) an off-white colour, (of) pale grey.

[TahlilGaran] English Dictionary ▲

tattle-tale verb intrans. ['tat(ǝ)lteɪl] colloq. (orig. & chiefly N. Amer.). E20.
[from TATTLE-TALE noun & adjective.]
Reveal secrets, tell tales.

[TahlilGaran] English Dictionary ▲