groovy

adj

1. Of, pertaining to, or having grooves.

   “The back of the tile was groovy so that it could hold the adhesive compound.”

2. (obsolete)Set in one's ways.

   “She'd give anything to be able to believe it, but she's a hard woman, and brooding along certain lines makes one groovy.”

3. (dated, slang)Cool, neat, interesting.

   “The hippies do not often try to define the feelings they experience under the influence of psychedelic drugs. Generally they just say, "Oh, groovy, man," or simply, "Wow."”

   “Basically Bobby’s just a hard-working, highly creative, friendly, groovy guy who’s got a lot of things he wants to do and is in a hurry to try them all.”

   “When you move me, everything is groovy.”

   “Well, I love it! Move really fast, reverse time, save everyone? That sounds groovy! I’m gonna have to try that some day!”

4. (slang)Reminiscent of the counterculture of the 1960s; hippie, psychedelic.

   “Groovy designs by Cyndi Bright and colorful 1960's-inspired papers and accessories, featuring plenty of mod flower, funky stickers, and new Spring colors.”

   “Men In Black 3 lacks the novelty of the first film, and its take on the late ’60s feels an awful lot like a psychedelic dress-up party, all broad caricatures and groovy vibes.”

   “The exchange was not unlike a post-bop version of Alex P. Keaton, the Reaganite teenager played by Michael J. Fox on the NBC sitcom Family Ties, which debuted in 1982, at intellectual odds with his groovy hippie parents.”

5. Melodious, danceable; particularly of a riff or bassline.

noun

1. (dated, slang)A trendy and fashionable person.

   “He also stole a $100-dollar bill from his father's wallet and gave it to a couple of the other Goth kids. […] Nevertheless, all this didn't give him the social status he coveted from his gloomy groovies.”