circular (n.)
- announcement
- annunciation
- booklet
- brochure
- communique
- coronary
- cyclic
- cycloid
- declaration
- edict
- encyclical
- enunciation
- exchange
- flow
- folder
- interchange
- irrational
- leaflet
- manifesto
- notice
- notification
- oblique
- pamphlet
- proclamation
- program
- programma
- pronouncement
- pronunciamento
- report
- rotary
- round
- roundabout
- spiral
- statement
- tract
- twisting
- ukase
circular (adj.)
- ambagious
- anfractuous
- annular
- annulate
- backhanded
- circinate
- circuitous
- circumlocutory
- coronary
- cyclic
- cycloid
- deviating
- devious
- diffuse
- digressive
- discoid
- discursive
- disklike
- edict
- encyclical
- excursive
- fallacious
- helical
- illogical
- inconsistent
- indirect
- irrational
- meandering
- oblique
- orbital
- out-of-the-way
- periphrastic
- program
- radiate
- redundant
- ring-shaped
- ringlike
- rotary
- round
- roundabout
- rounded
- sophistic
- sophistical
- spiral
- tortuous
- tract
- twisted
- twisting
