Obscure sideline Synonyms

Definitions for Obscure

(adjective) having an often intentionally veiled or uncertain meaning
(adjective) not widely known
(adjective) being without light or without much light

Synonyms for phrase

hidden interest

enigmatic interest

OS abbreviation

OS is an abbreviation for Obscure Sideline

What does OS stand for?

OS stands for "Obscure Sideline"

Sideline replaced

obscure hobby

Definitions for Sideline

(noun) a line that marks the side boundary of a playing field
(noun) an auxiliary line of merchandise
(noun) an auxiliary activity