Old subbing Synonyms

Definitions for Old

(adjective) being of advanced years and especially past middle age
(adjective) dating or surviving from the distant past
(adjective) having been such at some previous time

OS abbreviation

OS is an abbreviation for Old Subbing

What does OS stand for?

OS stands for "Old Subbing"

Subbing replaced

old substitute

Definitions for Subbing

(noun) working as a substitute for someone who is ill or on leave of absence