Severe downtime Synonyms

Severe replaced

Definitions for Severe


  • (adjective) given to exacting standards of discipline and self-restraint
  • (adjective) harsh and threatening in manner or appearance
  • (adjective) not joking or playful in mood or manner

Synonyms for phrase

SD abbreviation

SD is an abbreviation for Severe Downtime
What does SD stand for?
SD stands for "Severe Downtime"

Downtime replaced

Definitions for Downtime


  • (noun) a period of often involuntary inactivity or idleness
  • (noun) a period of time when something (as a machine or factory ) is not operating (especially as a result of malfunctions)