a combining form meaning “all,” used in the formation of compound words:
omnifarious; omnipotence; omniscient.
Origin
< Latin, combining form of omnis
Examples from the web for omni
omni is a smaller hotel chain, so it is not clear whether this model will spread to larger chains.
British Dictionary definitions for omni
omni-
combining form
1.
all or everywhere: omnipresent
Word Origin
from Latin omnis all
Word Origin and History for omni
omni-
word-forming element meaning "all," from Latin omni-, combining form of omnis "all, every, the whole, of every kind," of unknown origin, perhaps literally "abundant," from *op-ni-, from PIE root *op- "to work, produce in abundance" (see opus).