unstuck
Multiple Entries:unstuck unstick
Concise Oxford English Dictionary © 2008 Oxford University Press:
unstuck/ʌnˈstʌk/
past and past participle of unstick.
– phrases
come (or get) unstuck informal fail.
come (or get) unstuck informal fail.
Concise Oxford English Dictionary © 2008 Oxford University Press:
unstick/ʌnˈstɪk/
▶verb (unsticks, unsticking, past and past part. unstuck)
- 1 cause to become no longer stuck together.
- 2 Brit. informal (of an aircraft) take off.
'unstuck' also found in these Oxford entries:

