(intransitive) To become stubborn; to refuse to change one's mind or stance.

(intransitive) To get out of bed. / (transitive) To throw into confusion.

simple past tense of snap up

present participle of tune up

Third-person singular simple present indicative form of tune up

simple past tense and past participle of tune up

(Scotland, transitive) To trim; to set in order.

plural of burst-up

(dated, colloquial) A collapse; failure; bankruptcy.

(dated, colloquial) To explode. / (dated, colloquial) To fail; to go bankrupt.