Antonyms of adj audacious

3 senses of audacious

Sense 1
audacious, brave, dauntless, fearless, hardy, intrepid, unfearing -- (invulnerable to fear or intimidation; "audacious explorers"; "fearless reporters and photographers"; "intrepid pioneers")

INDIRECT (VIA bold) -> timid -- (showing fear and lack of confidence)

Sense 2
audacious, barefaced, bodacious, bald-faced, brassy, brazen, brazen-faced, insolent -- (unrestrained by convention or propriety; "an audacious trick to pull"; "a barefaced hypocrite"; "the most bodacious display of tourism this side of Anaheim"- Los Angeles Times; "bald-faced lies"; "brazen arrogance"; "the modern world with its quick material successes and insolent belief in the boundless possibilities of progress"- Bertrand Russell)

INDIRECT (VIA unashamed) -> ashamed -- (feeling shame or guilt or embarrassment or remorse; "are you ashamed for having lied?"; "felt ashamed of my torn coat")

Sense 3
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 audacious

3 senses of audacious

Sense 1
audacious, brave, dauntless, fearless, hardy, intrepid, unfearing -- (invulnerable to fear or intimidation; "audacious explorers"; "fearless reporters and photographers"; "intrepid pioneers")
       => bold (vs. timid) -- (fearless and daring; "bold settlers on some foreign shore"; "a bold speech"; "a bold adventure")

Sense 2
audacious, barefaced, bodacious, bald-faced, brassy, brazen, brazen-faced, insolent -- (unrestrained by convention or propriety; "an audacious trick to pull"; "a barefaced hypocrite"; "the most bodacious display of tourism this side of Anaheim"- Los Angeles Times; "bald-faced lies"; "brazen arrogance"; "the modern world with its quick material successes and insolent belief in the boundless possibilities of progress"- Bertrand Russell)
       => unashamed (vs. ashamed) -- (used of persons or their behavior; feeling no shame)

Sense 3
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")