Antonyms of adj heady

3 senses of heady

Sense 1
judicious, wise, heady -- (marked by the exercise of good judgment or common sense in practical matters; "judicious use of one's money"; "a wise decision")

INDIRECT (VIA prudent) -> imprudent -- (not prudent or wise; "very imprudent of her mother to encourage her in such silly romantic ideas"; "would be imprudent for a noneconomist to talk about the details of economic policy"- A.M.Schlesinger)

Sense 2
heady, intoxicating -- (extremely exciting as if by alcohol or a narcotic)

INDIRECT (VIA exciting) -> unexciting -- (not exciting; "an unexciting novel"; "lived an unexciting life")

Sense 3
foolhardy, heady, rash, reckless -- (marked by defiant disregard for danger or consequences; "foolhardy enough to try to seize the gun from the hijacker"; "became the fiercest and most reckless of partisans"-Macaulay; "a reckless driver"; "a rash attempt to climb Mount Everest")

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

Similarity of adj heady

3 senses of heady

Sense 1
judicious, wise, heady -- (marked by the exercise of good judgment or common sense in practical matters; "judicious use of one's money"; "a wise decision")
       => prudent (vs. imprudent) -- (careful and sensible; marked by sound judgment; "a prudent manager"; "prudent rulers"; "prudent hesitation"; "more prudent to hide than to fight")

Sense 2
heady, intoxicating -- (extremely exciting as if by alcohol or a narcotic)
       => exciting (vs. unexciting) -- (creating or arousing excitement; "an exciting account of her trip")

Sense 3
foolhardy, heady, rash, reckless -- (marked by defiant disregard for danger or consequences; "foolhardy enough to try to seize the gun from the hijacker"; "became the fiercest and most reckless of partisans"-Macaulay; "a reckless driver"; "a rash attempt to climb Mount Everest")
       => bold (vs. timid) -- (fearless and daring; "bold settlers on some foreign shore"; "a bold speech"; "a bold adventure")