Exclamation of exertion

• Exclamation after a close call
• "That was close!'
• "Thank goodness that's over"
• "That was a close call!"
• "I'm glad that's over!"
• "Thank heaven that's over!"
• "Gee, that was close!"
• "That was a bear!"

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
interjection EXAMPLES FROM OTHER ENTRIES ▪ Whew , it's hot outside.

Wiktionary Word definitions in Wiktionary
interj. 1 An expressive sound made indicating the release of one's inner tension; the release of breath; an expression of relief. 2 An expression of amazement or surprise. vb. (context UK Scotland dialect English) To whistle with a shrill pipe, like a plover. ...