Is “Tremble” a Scrabble word?
Yes
TREMBLE
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 Tremble
/ˈtɹɛmbl̩/
noun
1.A shake, quiver, or vibration.
verb
1.To shake, quiver, or vibrate.
“Her lip started to tremble as she burst into tears”
2.To fear; to be afraid.