loose end

noun — 2 senses

loose end

noun
1

The end of a rope that has not been fastened.

2

Broadly, Idiomatic, In plural A small job that needs to be done, or minor problem that needs to be resolved, before a task can be considered complete.

Derived terms
at a loose end, at loose ends, tie up loose ends

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.