Antonyms of adj reckless

2 senses of reckless

Sense 1
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)

Sense 2
heedless, reckless -- (characterized by careless unconcern; "the heedless generosity and the spasmodic extravagance of persons used to large fortunes"- Edith Wharton; "reckless squandering of public funds")

INDIRECT (VIA careless) -> careful -- (exercising caution or showing care or attention; "they were careful when crossing the busy street"; "be careful to keep her shoes clean"; "did very careful research"; "careful art restorers"; "careful of the rights of others"; "careful about one's behavior")

Similarity of adj reckless

2 senses of reckless

Sense 1
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")

Sense 2
heedless, reckless -- (characterized by careless unconcern; "the heedless generosity and the spasmodic extravagance of persons used to large fortunes"- Edith Wharton; "reckless squandering of public funds")
       => careless (vs. careful) -- (marked by lack of attention or consideration or forethought or thoroughness; not careful; "careless about her clothes"; "forgotten by some careless person"; "a careless housekeeper"; "careless proofreading"; "it was a careless mistake"; "hurt by a careless remark")