Antonyms of adj cocky

1 sense of cocky

Sense 1
cocky -- (overly self-confident or self-assertive; "a very cocky young man")

INDIRECT (VIA assertive) -> unassertive -- (inclined to timidity or lack of self-confidence; "a shy unassertive person")

Similarity of adj cocky

1 sense of cocky

Sense 1
cocky -- (overly self-confident or self-assertive; "a very cocky young man")
       => assertive (vs. unassertive), self-asserting, self-assertive -- (aggressively self-assured; "an energetic assertive boy who was always ready to argue"; "pointing directly at a listener is an assertive act")