Simple Definition of wail

from our Learner's Dictionary

wail

1 of 2

verb

wails; wailed; wailing
1
: to make a loud, long cry of sadness or pain
The child started wailing after she stumbled and fell.
2
: to make a long, high sound
A saxophone wailed in the background.
We could hear a siren wailing. = We could hear the wailing of a siren.
3
: to complain in a loud voice
"No! I don't want to go!" he wailed.
She wailed that the vacation was ruined.

wail

2 of 2

noun

plural wails
1
: a long cry of sadness or pain
a wail of sadness/despair
2
: a long, high sound
the wail of a siren

Cite this Entry

“Wail.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/wail. Accessed 6 Apr. 2026.

More from Merriam-Webster on wail

More from Merriam-Webster