Serious doing Synonyms

Serious replaced

Definitions for Serious


  • (adjective) not joking or playful in mood or manner
  • (adjective) having a matter of importance as its topic
  • (adjective) involving potential loss or injury

Synonyms for phrase

SD abbreviation

SD is an abbreviation for Serious Doing
What does SD stand for?
SD stands for "Serious Doing"

Doing replaced

Definitions for Doing


  • (noun) something done by someone