Is “Amplest” a Scrabble word?
Yes
AMPLEST
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 Amplest
adjective
1.Large; great in size, extent, capacity, or bulk; for example spacious, roomy or widely extended.
“an ample house”
2.Fully sufficient; abundant; plenty
“ample material”
3.Not contracted or brief; not concise; extended; diffusive
“an ample story”
Synonyms: abundant, bountiful, capacious, copious, extensive, full