grooved vs well-grooved

grooved and well-grooved both are adjectives.

Word	Noun	Adjective	Verb	Adverb
grooved	No	Yes	No	No
well-grooved	No	Yes	No	No

As adjectives, grooved and well-grooved are synonyms defined as:

grooved and well-grooved: established as if settled into a groove or rut

grooved (adjective)	well-grooved (adjective)
established as if settled into a groove or rut	established as if settled into a groove or rut