Is “Shimmer” a Scrabble word?
Yes
SHIMMER
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 Shimmer
/ˈʃɪmə(ɹ)/
noun
1.A faint or veiled and tremulous gleam or shining.
2.A measure of the irregularities in the loudness of a particular pitch over time.
Synonyms: glimmer
verb
1.To shine with a veiled, tremulous, or intermittent light; to gleam faintly.
Synonyms: glimmer, glisten, sparkle, twinkle