Wide open.

The act of one who gapes. / Something gaping; something agape. / A threat or courtship behavior in animals involving holding the mouth open and displaying the teeth or other interior features.

present participle of gape

plural of gaping

Third-person singular simple present indicative form of gape

plural of gape / (uncountable) A fit of yawning. / (uncountable) A disease of young poultry and other birds, caused by a parasitic nematode worm in the windpipe, and having uneasy gaping as a symptom.

simple past tense and past participle of gape

(uncommon) An act of gaping; a yawn. / A large opening. / (uncountable) A disease in poultry caused by gapeworm in the windpipe, a symptom of which is frequent gaping. / The width of an opening.

(intransitive) To open the mouth wide, especially involuntarily, as in a yawn, anger, or surprise. / (intransitive) To stare in wonder. / (intransitive) To open wide; to display a gap.

Something to be gaped at, a strange sight; typically used in phrases such as to buy, sow etc. gape seed, describing people who merely stand and stare instead of transacting business.