1. Not having rhyme
   "writing unrhymed blank verse is like playing tennis without a net"
   - unrimed, rhymeless, rimeless

Antonym: rhymed

• sign language
• sign manual
• sign of the cross
• sign of the zodiac
• sign off
• sign on
• sign over
• sign painter
• sign up
• signage
• signal
• signal box
• signal caller
• signal detection
• signal fire
• signal flag
• signal level
• signal light
• signal tower
• signal-to-noise
• signal-to-noise ratio
• signal/noise
• signal/noise ratio
• signaler
• signaling