Secure door Synonyms

Secure replaced

Definitions for Secure


  • (adjective) having or showing great faith in oneself or one's abilities
  • (adjective) not exposed to the threat of loss or injury
  • (adjective) providing safety

Synonyms for phrase

SD abbreviation

SD is an abbreviation for Secure Door
What does SD stand for?
SD stands for "Secure Door"

Door replaced

Definitions for Door


  • (noun) a barrier by which an entry is closed and opened
  • (noun) the opening through which one can enter or leave a structure
  • (noun) the means or right of entering or participating in