there is no prefix for everywhere
The prefix would be Omni-. The prefix Omni- means all, with its roots in Latin, as the combining form of the word Omnis.
Omni refers to all or everywhere.
Answer"omni" as in omniscient, meaning "all knowing"Omni- Om"ni- [L. omnis all.]A combining form denoting all, every, everywhere; as in omnipotent, all-powerful; omnipresent.Source: Webster's Revised Unabridged Dictionary (1913)
omni
The prefix for inadequate is in-. The prefix in- means not.
The prefix "con-" means "with."
The prefix is in-. This prefix means not.
The prefix is in-. This prefix means not.
The prefix is in. The prefix in- means not.
The prefix 'in-' means not.
The prefix is un-. This prefix means not.