whew /hwjuː/exclamation 2verb 2forms 3 exclamation2 •a sound showing that the speaker feels better because a danger or worry has passed(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! •An expression of amazement or surprise.Now I must be off. Whew, it's as cold as the North Pole. Which way is the wind blowing? — 1934 verb2 •(dialect, UK) To bustle about. •(dialect, UK) To whistle with a shrill pipe, like a plover. formswhewed · whewing · whews