What is the meaning of Wow?

An indication of excitement, surprise, astonishment, or pleasure.

An expression of amazement, awe, or admiration.

Used sarcastically to express disapproval of something.

To amaze or awe.

Anything exceptionally surprising, unbelievable, outstanding, etc.

A relatively slow form of flutter (pitch variation) which can affect both gramophone records and tape recorders.

egg

Alternative form of wowe

to become outdated; to become old news

wow!

wow; whoa

wow

wow (an exclamation of astonishment or amazement)

woe (an exclamation of grief)

to woo, court; to solicit affection (from someone)

a howl, barking (as of a dog)

to howl, to bark

to beckon, to signal by waving

wow (an indication of excitement or surprise)

wow

Source: wiktionary.org