adventurous
The Sahara Desert is not a place for unadventurous people.
The food in the hotel was disappointingly bland and unadventurous.
Her latest film is an unadventurous but largely enjoyable adaptation of a novel by Jane Austen.
SMART Vocabulary: related words and phrases Cowardly
be afraid of your own shadowidiom
bottle
bottle out
chicken
chicken out
cravenness
fainthearted
gutless
lily-livered
pantywaist
spinelessly
spinelessness
timid
timidity
timidly
unheroic
weak-kneed
wimp
wimp out
wimpy
You can also find related words, phrases, and synonyms in the topics:
Peaceful and tranquil