Words to Describe interruptions

How interruptions often is described ("________ interruptions")

• regular
• such
• irrelevant
• rare
• unwanted
• unwelcome
• needless
• intermittent
• sudden
• partial
• necessary
• inevitable
• longer
• unpleasant
• rude
• various
• annoying
• many
• apparent
• several
• unforeseen
• angry
• temporary
• accidental
• only
• more
• potential
• countless
• momentary
• slow
• unseemly
• outside
• fewer
• vexatious
• innumerable
• few
• minor
• continual
• rapid
• commercial
• serious
• casual
• costly
• minimal
• usual
• constant
• further
• abrupt
• noisy
• short
• irregular
• lengthy
• periodic
• endless
• unexpected
• welcome
• frequent
• occasional
• long
• violent
• slight
• incessant
• unpredictable
• unscheduled
• possible
• unplanned
• perpetual
• unavoidable
• numerous
• continuous
• unnecessary
• trivial
• random
• brief
• prolonged
• external
• multiple