1. The property of being comparatively small in weight
   - lightness 
2. (physics) a state of very low gravity, as found in sustained free fall, orbit or in interstellar space
   - microgravity

Derived forms: weightlessnesses

See also: weightless

Type of: weight

Encyclopedia: Weightlessness

• undeniably
• undenominational
• undependability
• undependable
• undependableness
• undependably
• undepicted
• under
• under a cloud
• under arms
• under attack
• under fire
• under it
• under that
• under the circumstances
• under the weather
• under wraps
• under-represent
• under-the-counter
• under-the-table
• underachieve
• underachievement
• underachiever
• underact
• underactive