CEFR B2
unmooring
verb
Meaning 1: when discussing unfix
To unfix or unsecure (a moored boat). It can have more than one sense, so use the alternate meanings and examples to choose the meaning that matches your sentence.
Meaning 2: sense 2
To weigh anchor
Meaning 3: sense 3
(transitive) To unfix or unsecure (a moored boat)
Meaning 4: sense 4
(transitive, figurative) To set free or loose
Meaning 5: sense 5
(intransitive) To weigh anchor