bidirectional /bī-dī-rekˈshə-nəl/

1. Operating or passing signals in two directions
2. Printing the lines of a text alternately left to right and right to left (computing, etc)

• regress
• regressed
• regresses
• regressing
• regression
• regressions
• regression therapy
• regressive
• regressively
• regressiveness
• regressivenesses
• regressivities
• regressivity
• regret
• regretful
• regretfully
• regrets
• regrettable
• regrettably
• regretted
• regretting
• regrind
• regrinding
• regrinds
• reground