One who believes
in an idea as "fundamental," the absolute, literal truth, adheres to the ORIGINAL version of the idea, is prepared
to take action
based on that belief, and is unlikely
to change their mind.
Often misdefined as "fanatic". A person can be a fanatic and a fundamentalist, or only a fundamentalist, or only a fanatic, or neither.
taken by a fundamentalist depends on the nature of their belief. It can be a personal action
which affects no one else, or an action
which affects tens
of thousands of others, or something
in between. Can be positive
Can apply to any religion or ideology, also of a method of or pertaining to fundamentals.
Two of the most
"islaamic fundamentalist" - generally stereotyped as jihaadist. Not necessarily
"christian fundamentalist" - generally stereotyped as bigoted and in-your-face. Again, not necessarily
And a correct but uncommon use:
Music teacher: "You need to learn your instrument's fundamentals before
you can play solos."
Kid: "Teacher is a fundamentalist."