adj.
1 not fastened or tied
ADVERB
▪ slightly
VERBS
▪ be
▪ come
▪
My button's come ~ again.
▪ leave sth
▪
He was wearing a white shirt with the first few buttons left ~.
▪ get sth
▪
I can't get this knot ~.
2 not done
VERBS
▪ be
▪ remain
▪ leave sth
▪
We left the cleaning ~ and went out for the day.
Undone is used with these nouns: ↑ collar , ↑ shoelace , ↑ tie