Origin: Latin suffix -ary
Itinerary has 5 different meanings across 1 category:
a guidebook for travelers
"The hikers consulted their detailed itinerary, which served as an essential guidebook for navigating the remote mountain trails."
a proposed route of travel
"The hikers followed the suggested itinerary to ensure they reached the summit before sunset."
A written schedule of activities for a vacation or road trip.
"The family carefully reviewed their itinerary to make sure they had enough time at each tourist attraction during their summer vacation."
In plain English: An itinerary is just your plan for where you are going and when each stop happens during a trip.
"We checked our itinerary to see what time we needed to arrive at the museum."
Usage: Use itinerary as a noun to refer specifically to the planned route and schedule for a trip, not as an adjective. Do not confuse it with schedule, which is broader and can apply to daily routines rather than travel plans.
itinerant; travelling from place to place; done on a journey
"The traveling salesman's itinerary took him through dozens of towns across the country in just two weeks."
In plain English: Itineraries are not adjectives, so they cannot be described as such because the word is only used to mean a list of places you plan to visit on a trip.
"We followed our detailed itinerary to visit every museum in Paris without rushing."
Itinerary comes from the Late Latin word itinerarium, which meant an account or guide for a journey. This term is derived from the Latin root iter, meaning "way" or "journey."