EnglishMain Dictionary
earshot
Universal Words
noun
IDIOMS
out of earshot (of sb/sth) too far away to hear sb/sth or to be heard:
We waited until Ted was safely out of earshot before discussing it.
within earshot (of sb/sth) near enough to hear sb/sth or to be heard:
As she came within earshot of the group, she heard her name mentioned.