Bound and Front line

Bound noun - A real or imaginary point beyond which a person or thing cannot go.

Front line and bound are semantically related. In some cases you can use "Front line" instead a noun "Bound".

Nearby Words: bounded, boundless, boundary, bounding, boundlessness

Front line noun - The leading or most important part of a movement.

Bound and front line are semantically related. Sometimes you can use "Bound" instead a noun phrase "Front line".