English

Verb

crack)

1. (intransitive, idiomatic, often with 'with') continue at a (normally uninteresting) task.

   I must crack on with my essay

   • 1888, Kipling, The Madness of Private Ortheris

     What's the use of cracking-on for nothing? Would you slip it now if you got the chance?

2. To continue apace.

   The project is really cracking on.

3. (transitive, dated) To put on.

   to crack on more sail, or more steam