1. Operating or moving or allowing movement in one direction only
   "a unidirectional flow"; "a unidirectional antenna"; "a unidirectional approach to a problem"

See also: one-way, simplex, unifacial

Antonym: bidirectional

• clubhead
• clubhouse
• clubland
• clubmoss family
• clubroom
• clubroot fungus
• cluck
• clucking
• clue
• clue in
• clued-up
• clueless
• clumber
• clumber spaniel
• clump
• clumping
• clumpy
• clumsily
• clumsiness
• clumsy
• clumsy person
• clunch
• clunk
• clunker
• clunking