There acutally is no abbreviation for the word sim. A "sim" is a charater, and is equal to the word human. (sim==human). In term, there is no abbreviation for the word sim.
What is the abriviation for principal
What is the abriviation of DHL
The abriviation for Thursday is Thurs.
DAS
K
mm
yd
Ave
CA
ORG
lb.
Mon.