Webster's 1828 Dictionary
UNADVENTUROUS
a.Not adventurous; not bold or resolute.
New American Oxford Dictionary
unadventurous
un ad ven tur ous |ˌənadˈvenCHərəs ʌnədˈventʃərəs | ▶adjective not offering, involving, or eager for new or stimulating things: he was the unadventurous type | an unadventurous menu. DERIVATIVES un ad ven tur ous ly adverb
Oxford Dictionary
unadventurous
un |ad ¦ven ¦tur |ous |ʌnədˈvɛntʃ (ə )rəs | ▶adjective not offering, involving, or eager for new or stimulating things: he was the unadventurous type | an unadventurous menu. DERIVATIVES unadventurously adverb
American Oxford Thesaurus
unadventurous
unadventurous adjective I've been quite happy with my predictable, unadventurous life: cautious, careful, circumspect, wary, hesitant, timid; conservative, conventional, unenterprising, unexciting, unimaginative, myopic; boring, straitlaced, stuffy, narrow-minded; informal square, straight, stick-in-the-mud. ANTONYMS enterprising.
Oxford Thesaurus
unadventurous
unadventurous adjective he led a leisurely, unadventurous life: cautious, careful, prudent, chary, circumspect, wary, hesitant, tentative, timid; conservative, conventional, traditional, unenterprising, unexciting, unimaginative, uncreative, restrained, limited, boring, strait-laced, stuffy, narrow-minded; informal cagey, square, straight, stick-in-the-mud, uptight. ANTONYMS adventurous, enterprising, imaginative.