1. Not capable of physical reflection
   - nonreflecting

See also: echoless

Antonym: reflective

• unshielded
• unship
• unshockable
• unshod
• unshoed
• unshorn
• unshrinkable
• unshrinking
• unshuttered
• unsighted
• unsightliness
• unsightly
• unsigned
• unsilenced
• unsimilarity
• unsinkable
• unsized
• unskilful
• unskilfulness
• unskilled
• unskilled person
• unskillful
• unskillfulness
• unslaked lime
• unsleeping