intermittent (adj.)
- alternate
- alternating
- broken
- capricious
- catchy
- checked
- choppy
- circling
- cyclic
- cyclical
- desultory
- disconnected
- discontinued
- discontinuous
- discrete
- disjunctive
- eccentric
- episodic
- epochal
- erratic
- even
- fitful
- flickering
- fluctuating
- halting
- incoherent
- inconstant
- infrequent
- interrupted
- irregular
- isochronal
- isochronous
- iterative
- jagged
- jerky
- measured
- metrical
- noncontinuous
- nonlinear
- nonuniform
- occasional
- oscillatory
- parenthetic
- patchy
- periodic
- periodical
- rambling
- random
- reciprocal
- recurrent
- recurring
- rhythmic
- rhythmical
- rotary
- rough
- scrappy
- seasonal
- serial
- spasmodic
- spastic
- sporadic
- spotty
- staggering
- steady
- suspended
- uncertain
- unconnected
- undulant
- undulatory
- unequal
- uneven
- unmethodical
- unrhythmical
- unsettled
- unsteady
- unsystematic
- variable
- wandering
- wavelike
- wavering
- wheeling
- wobbling
- wobbly