plural of cold open

(idiomatic, humorous, in hypothetical constructs) Any kind of event or activity that may contribute to one's self-promotion or visibility in society.

simple past tense and past participle of open fire

present participle of open fire

Third-person singular simple present indicative form of open fire

simple past tense and past participle of open source

Third-person singular simple present indicative form of open source

present participle of open source

An unannounced or lightly announced business opening, instead of or prior to a grand opening.

Alternative form of open-and-shut