Definitions for: Let Off

[v] grant exemption or release to; "Please excuse me from this class"

Webster (1913) Definition: Let"-off` (l[e^]t"[o^]f`; 115), n. (Mach.)
A device for letting off, releasing, or giving forth, as the
warp from the cylinder of a loom.

Synonyms: excuse, exempt, relieve

See Also: absolve, frank, free, justify