Old pacemaker 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

OP abbreviation

OP is an abbreviation for Old Pacemaker

What does OP stand for?

OP stands for "Old Pacemaker"

Pacemaker replaced

old favourite

old precursor

Definitions for Pacemaker

(noun) one that takes the lead or sets an example
(noun) a horse used to set the pace in racing
(noun) a leading instance in its field