Senior old Synonyms

Senior replaced

executive old

Definitions for Senior

(adjective) being of advanced years and especially past middle age
(noun) one who is older than another
(noun) one who is above another in rank , station, or office

SO abbreviation

SO is an abbreviation for Senior Old

What does SO stand for?

SO stands for "Senior Old"

Old replaced

senior expert

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