lock up

• lock-up

lock + up

lock up (third-person singular simple present locks up, present participle locking up, simple past and past participle locked up)

1. (transitive) to imprison or incarcerate someone
2. (transitive) to invest in something long term
3. (intransitive) to close all doors and windows of a place securely
4. (intransitive, computing) to cease responding, to freeze
5. (intransitive, mechanics) to stop moving, to seize

• (computing) freeze, hang

• lockup

• uplock