. Sense 3 (‘of a tourist: tending to be adventurous’) was in a paper presented to the Southern California Chapter of the Travel Research Association on 10 October 1972, which was later published in February 1974.
The noun is probably derived from the adjective.
Modern English dictionary
Explore and search massive catalog of over 900,000 word meanings.
Word of the Day
Get a curated memorable word every day.
Challenge yourself
Level up your vocabulary by setting personal goals.