(transitive) To corroborate, prove, or confirm; to demonstrate; to provide evidence for. / To maintain and support to the end; to defend to the last.

(idiomatic, Britain) Out for a night on the town.

Pronunciation spelling of for crying out loud.

Third-person singular simple present indicative form of sign out

present participle of sign out

To sign one's name as an indication that one is leaving some location; to take some action to indicate one is leaving a secured program or web page on a computer. / To signal.

simple past tense and past participle of sign out

An extremist or radical.

(astronomy) Any planet of the Solar System whose orbit is located beyond the asteroid belt, i.e., any of Jupiter, Saturn, Uranus, or Neptune.

The act of flaming out or burning out; extinguishing. / The act of quitting or failing, especially due to overwork, or in a dramatic manner; a person or organization that fails in this way.