WHEW
Etymology 1
Interjection
whew
An expressive sound made indicating the release of one's inner tension; the release of breath; an expression of relief.
An expression of amazement or surprise.
Synonyms
• (expressing relief of tension): phew
• (expressing surprise): wow
Verb
whew (third-person singular simple present whews, present participle whewing, simple past and past participle whewed)
(UK, Scotland, dialect) To whistle with a shrill pipe, like a plover.
Etymology 2
Verb
whew (third-person singular simple present whews, present participle whewing, simple past and past participle whewed)
(intransitive, UK, dialect) To bustle about.
Source: Wiktionary
Whew (hwu), n. & interj.
Definition: A sound like a half-formed whistle, expressing astonishment,
scorn, or dislike. Whew duck, the European widgeon. [Prov. Eng.]
Whew, v. i.
Definition: To whistle with a shrill pipe, like a plover. [Prov. Eng. &
Scot.]
Source: Webster’s Unabridged Dictionary 1913 Edition