Is “Opt” a Scrabble word?
Yes
OPT
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Opt
/ɒpt/
verb
1.To choose; select.
“He opted not to go.”