incessant
1. [ adjective ] occurring so frequently as to seem ceaseless or uninterrupted
Synonyms: endless perpetual
Examples:

"a child's incessant questions" "your perpetual (or continual) complaints"

Related terms: continual
2. [ adjective ] uninterrupted in time and indefinitely long continuing
Synonyms: ceaseless perpetual never-ending unceasing unremitting constant
Examples:

"the ceaseless thunder of surf" "in constant pain" "the incessant noise of the city" "the never-ending search for happiness" "the perpetual struggle to maintain standards in a democracy"

Related terms: continuous
Similar spelling:   incessantly
  incessancy
  injectant
  ingest
  incest
  ingesta
  inquest
  insectan
  ingested
  ingestion
  incestuous
  insessores
  Insecta
  Inachis
  in_case