1. Having a flat or flattened upper surface
   - flat-top

See also: topped

• unearth
• unearthly
• unease
• uneasily
• uneasiness
• uneasy
• uneatable
• uneaten
• uneconomic
• uneconomical
• unedifying
• unedited
• uneducated
• uneducated person
• uneffective
• unelaborate
• unelaborated
• unembarrassed
• unembellished
• unembodied
• unemotional
• unemotional person
• unemotionality
• unemotionally
• unemphatic