whew

interjection

1. An expressive sound made indicating the release of one's inner tension; the release of breath; an expression of relief.

- (from strenuous labour) Whew! That box weighs a ton!

- (from intense concern) Whew! Thank goodness youʼre safe! I thought something terrible had happened to you!

- (from fear of being seen) Whew! That cop didnʼt see me! That was a close call!

2. An expression of amazement or surprise.

verb

1. (Britain, Scotland, dialect) To whistle with a shrill pipe, like a plover.