Antonyms of adj trepid

1 sense of trepid

Sense 1
fearful, timorous, trepid -- (timid by nature or revealing timidity; "timorous little mouse"; "in a timorous tone"; "cast fearful glances at the large dog")

INDIRECT (VIA timid) -> bold -- (fearless and daring; "bold settlers on some foreign shore"; "a bold speech"; "a bold adventure")

Similarity of adj trepid

1 sense of trepid

Sense 1
fearful, timorous, trepid -- (timid by nature or revealing timidity; "timorous little mouse"; "in a timorous tone"; "cast fearful glances at the large dog")
       => timid (vs. bold) -- (showing fear and lack of confidence)