- - "Coolio!"
- - 'Coolio, daddy-o!'
- - retro "sweet!"
- - old-style "way cool!"
- - The earliest known printing of this US slang term for "excellent" was in 1951
- - "super swell!"
- - "how nifty!"
- - retro "way cool!"
- - awesome relative
- - "Amazeballs!"
- - Quaint approval
- - Old-fashioned "Excellent!"
- - "Pretty cool!" (archaically)
- - Retro version of "Awesome!"
- - "Cool!" or "Groovy!" old-style
- - Uncool "Cool!"
- - Nifty, to The Beave
- - Sweet, once
- - Rad relative
- - Old slangy word of enthusiasm
- - Nifty, in the '50s
- - Kin of "Swell!"
- - "That's pretty awesome!"
- - "Sounds swell!"
- - "Hey, that's cool!"
- - "Fantabulous!" in the '50s
- - Sarcastic expression of enthusiasm
- - Remark of approval
- - Old-fashioned "Sweet!"
- - Old-fashioned "Super!"
- - Nifty, in the 50's
- - Great, teenage style
- - "Way cool," quaintly
- - "Way cool, man!"
- - "That's peachy-keen!"
- - "Sweet" ancestor
- - "Pretty keen!"
- - "Pretty amazing!"
- - "Phat!" predecessor
- - "Like whoa"
- - "Happy Days" exclamation
- - "Gee, that's keen!"
- - '50s "Radical!"
- - '50s "Nifty!"
- - "That's super!"
- - "Wowza!"
- - "That's so cool!"
- - "That's swell"
- - Marv
- - "Like, wow!"
- - "That's cool"
- - "Oh, cool!"
- - 'Hot damn!'
- - 'Cool, man'
- - Supercool?
- - Word of approval
- - Phat
- - Slangy approval
- - Pretty cool
- - Copacetic
- - Ducky
- - 'Ni-i-i-ice!'
- - Rad
- - "Day-um!"
- - 'Gee!'
- - Dandy
- - Totally rad
- - "Really cool!"
- - Peachy ......
- - Cool, once
- - Cool, in old slang
- - Old-school 'cool'
- - Cool, in the '50s
- - Cool, old-style
- - "Super cool!"
- - Super keen
- - 'Sweet' in the 1950s
- - Fantastic in the '50s
- - Peachy-keen
- - 'Wow, cool!'
- - "Groovy!"
- - Cool kin
- - "Terrif!"
- - "Cool beans!"
- - "Nifty!"
- - Retro "Cool!"
- - Robotic vacuum cleaner brand
- - Old-fashioned "Awesome!"
- - Radical cousin
- - 'Suh-weet!,' quaintly
- - Spiffy
- - 'Marvy!'
- - Old-fashioned 'Cool!'
- - Robotics company with a "swell" name
- - 'Aw gee, that's peachy keen!'
- - 'Pretty slick!'
- - 'Coo-oo-ool!'
- - 'That's really spiffy!'
- - 'That's awesome!'
- - Retro "Awesome!"
- - "That's really cool!"
- - Quaint 'cool'
- - 'Sick!,' once
- - "Gee, that's swell!"
- - 'Sweet!,' old-style
- - Old-style "Sweet!"
- - Cool, quaintly
- - "Gee, cool!"
- - "Fab!"
- - 'Goody!'
- - Grand old word?
- - Phat, in the '50s
- - 'Fantabulous!'
- - Quaint cousin of 'Suh-weet!'
- - 'Boss!'
- - Totally cool
- - Very cool
- - Way cool?
- - '...... cool!'
- - Swell
- - Far out!
- - Outta sight!
- - Terrific
- - "Awesome!"
- - Super-duper
- - Sweet ...
- - "I'm impressed!"
- - Great
- - "Wow!"
- - 'That's amazing!'
- - 'So cool!'
- - 'How cool!'
- - Super ...
- - Keen
- - Just ducky
- - Jim-dandy
- - "super cool!", old-style
- - quaint cousin of 'sick!'
- - Excellent
- [ Edit ]
- [ Other definitions ]