by word of mouth
if you hear information by word of mouth, you hear it from other people and not from the radio or television or from reading newspapers

[TahlilGaran] Dictionary of Contemporary English ▲

by word of mouth
if you hear information by word of mouth, you hear it from other people and not from the radio or television or from reading newspapers.
I think she heard about the job by word of mouth.

[TahlilGaran] English Idioms Dictionary ▲

by word of mouth
by speaking rather than writing; orally, from person to person by speaking
We learned about the party by word of mouth.

I learned about the holiday next week by word of mouth.

[TahlilGaran] English Idioms Dictionary ▲

by word of mouth
adv. phr. From person to person by the spoken word; orally.
The news got around by word of mouth.
The message reached him quietly by word of mouth.

[TahlilGaran] English Idioms Dictionary ▲