Is “Solid” a Scrabble word?
Yes
SOLID
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 Solid
/ˈsɒlɪd/
noun
1.A substance in the fundamental state of matter that retains its size and shape without need of a container (as opposed to a liquid or gas).
2.A three-dimensional figure (as opposed to a surface, an area, or a curve).
3.A favor.
“I owe him; he did me a solid last year.”
adjective
1.(of an object or substance) That can be picked up or held, having a texture, and usually firm. Unlike a liquid or a gas.
“Almost all metals are solid at room temperature.”
2.Large in size, quantity, or value.
3.Lacking holes, hollows or admixtures of other materials.
“solid chocolate”
Synonyms: closed, massive, substantial
adverb
1.Solidly.
2.Without spaces or hyphens.
“Many long-established compounds are set solid.”