That can be breached; vulnerable.

Apt to break fences or to break out of pasture; unruly.

(law) The legal offense of engaging in public behavior which is violent, rowdy, or disruptive. / (by extension) Any public disturbance or disorderly behavior.

A neighborhood of Los Angeles, California, United States / A region of Los Angeles, California, United States / A town in Trinidad, Trinidad and Tobago / A region of Trinidad, Trinidad and Tobago

(military) The clearing of a passage through a minefield or other barrier by various improvised means.

(colloquial) Let's get back to work.

(figuratively) To do a task that one is not ordinarily expected to do because there is no one else to do it.

Third-person singular simple present indicative form of honour in the breach

Third-person singular simple present indicative form of honor in the breach

present participle of honour in the breach