Antonyms of adj venturous

1 sense of venturous

Sense 1
audacious, daring, venturesome, venturous -- (disposed to venture or take risks; "audacious visions of the total conquest of space"; "an audacious interpretation of two Jacobean dramas"; "the most daring of contemporary fiction writers"; "a venturesome investor"; "a venturous spirit")

INDIRECT (VIA adventurous) -> unadventurous -- (lacking in boldness)

Similarity of adj venturous

1 sense of venturous

Sense 1
audacious, daring, venturesome, venturous -- (disposed to venture or take risks; "audacious visions of the total conquest of space"; "an audacious interpretation of two Jacobean dramas"; "the most daring of contemporary fiction writers"; "a venturesome investor"; "a venturous spirit")
       => adventurous (vs. unadventurous), adventuresome -- (willing to undertake or seeking out new and daring enterprises; "adventurous pioneers"; "the risks and gains of an adventuresome economy")