Is “Senior” a Scrabble word?
Yes
SENIOR
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 Senior
/ˈsiːnjə(r)/
noun
1.An old person.
2.Someone older than someone else (with possessive).
“He was four years her senior.”
3.Someone seen as deserving respect or reverence because of their age.
Synonyms: senior citizen
adjective
1.Older; superior
“senior citizen”
2.Higher in rank, dignity, or office.
“senior member; senior counsel”
3.Of or pertaining to a student's final academic year at a high school (twelfth grade) or university.
Synonyms: geriatric, long in the tooth, on in years