Related Clues:

• Au courant, once
• Brightly-coloured rose fruit
• Huey Lewis "___ to Be Square"
• Cool, in dated slang
• "___ to Be Square"
• Opposite of ''passé''
• Cool, decades ago
• Old-school 'cool'
• Old-school "cool"
• Where pagers were worn
• Far from square, in old slang
• A hockey player may check with one
• With it; groovy
• ___ hop (rap realm)
• ___ to (wise about)