1. Not exhibiting or characterized by careful thought
   - unthinking, unthoughtful

See also: thoughtless

• canyon oak
• canyon treefrog
• canyoneering
• canyoning
• Canyonlands National Park
• canyonside
• canzone
• caoutchouc
• caoutchouc tree
• cap
• cap off
• cap opener
• cap screw
• cap-a-pie
• capability
• capable
• capableness
• capably
• capacious
• capaciousness
• capacitance
• capacitance unit
• capacitate
• capacitive
• capacitor