1. Acting as or providing a complement (something that completes the whole)
   - complementary, completing

See also: additive, complement

• slow-moving
• slow-witted
• slow-wittedness
• slowcoach
• slowdown
• slower
• slowest
• slowgoing
• slowing
• slowly
• slowness
• slowpoke
• slowworm
• SLR
• SLS
• slub
• slubbed
• slubber
• slubberdegullion
• sludge
• sludgy
• slue
• slug
• slugabed
• slugfest