1
to cut (cloth, paper, etc.);to cut off
2
only applies to
断ち切る
to sever (ties);to break off (relations);to give up (an attachment, habit, etc.);to stop (e.g. a vicious cycle)
あのグループとの関係は断ち切るべきだ。
You should cut off your connections with that group.
3
only applies to
断ち切る
to cut off (a supply route, enemy's retreat, etc.);to block;to break up (e.g. an intelligence network)
Other forms
裁ち切る 【たちきる】 (rarely used kanji form) · 截ち切る 【たちきる】 (rarely used kanji form) · 断切る 【たちきる】 (search-only kanji form) · 断ちきる 【たちきる】 (search-only kanji form) · 絶ち切る 【たちきる】 (search-only kanji form) · 絶ちきる 【たちきる】 (search-only kanji form) · たち切る 【たちきる】 (search-only kanji form)