i Register
In some senses, protocol is marked as archaic, obsolete, historical. Watch for register when choosing this word.
ADJ.
complex, different, diplomatic, familiar, unimportant, used
The diplomatic protocol required all delegates to shake hands before entering the conference room.
VERB + PROTOCOL
according, breached, considers, constrained, deal, following, ignored, knows
The hospital staff breached protocol by failing to sanitize their hands between patient visits.
PROTOCOL + NOUN
basis, definitions, information, violations, web
The new security protocol violations were discovered during the routine audit last week.
PREP.
with
The new security team decided to proceed with the established protocol for handling confidential documents.
ADV.
rather
We decided to rather protocol the entire process to ensure everyone understood the new safety procedures.