Definition of "groovy"

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

1909, Rudyard Kipling, The House Surgeon

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."

1967, Brown, Joe David, ed, Time, inc, The Hippies‎, New York, Time

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.

1969, Groovy Guide to the Guys!‎

When you move me, everything is groovy.

2012, Pat Monahan (Train), Drive By (song lyrics)

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.

2012 May 24, Nathan Rabin, “Film: Reviews: Men In Black 3”, in The Onion AV Club‎

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

2015 February 12, Tina Alexander, Daniel Baxter, “How X-Men: Days of Future Past Should Have Ended”, in How It Should Have Ended‎, season 7, episode 3, spoken by Superman (Daniel Baxter), How It Should Have Ended, via YouTube