Below are possible answers for the crossword clue Lock up.
8 letter answer(s) to lock up
IMPRISON
confine as if in a prison; "His daughters are virtually imprisoned in their own house; he does not let them go out without a chaperone"
lock up or confine, in or as in a jail; "The suspects were imprisoned without trial"; "the murderer was incarcerated for the rest of his life"
6 letter answer(s) to lock up
SECURE
assure payment of
cause to be firmly attached; "fasten the lock onto the door"; "she fixed her gaze on the man"
fill or close tightly with or as if with a plug; "plug the hole"; "stop up the leak"
financially sound;
free from danger or risk; "secure from harm"; "his fortune was secure"; "made a secure place for himself in his field"
free from fear or doubt; easy in mind; "he was secure that nothing will be held against him"
furnish with battens; "batten ships"
get by special effort; "He procured extra cigarettes even though they were rationed"
immune to attack; incapable of being tampered with; "an impregnable fortress"; "fortifications that made the frontier inviolable"; "a secure telephone connection"
make certain of; "This nest egg will ensure a nice retirement for us"; "Preparation will guarantee success!"
not likely to fail or give way; "the lock was secure"; "a secure foundation";
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