intermittent
1. [ adjective ] stopping and starting at irregular intervals
Examples:

"intermittent rain showers"

Related terms: sporadic
2. [ adjective ] stopping and starting at regular intervals
Related terms: periodic
Similar spelling:   intermittently
  intermittence
  intermittency
  interstate
  interferometer
  intermingle
  interiorise
  interiorize
  interminable
  intermixture
  intermission
  interment
  interposition
  intermarriage
  intervention
  intermediate
  interstice
  interested
  intertwine
  intermediator
  interfaith
  intermezzo
  interestedness
  interfere
  interfering
  interlaken
  interwoven
  interactive
  interpreted
  interpreter
  interrupted
  interrupter
  intermeshed
  interaction
  intermediation
  intermediately
  interminably
  intermingled
  intermediary
  internment_camp
  interpolate
  interrelate
  interrogate
  interstellar
  interstitial
  intercalate