Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun heads-up

1 sense of heads-up

Sense 1
heads-up -- (a warning message; "he sent a heads-up to the District Attorney")
       => warning -- (a message informing of danger; "a warning that still more bombs could explode")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb head-up

1 sense of head up

Sense 1
head, head up -- (be the first or leading member of (a group) and excel; "This student heads the class")
       => be -- (have the quality of being; (copula, used with an adjective or a predicate noun); "John is rich"; "This is not a good answer")

Antonyms of adj heads-up

1 sense of heads-up

Sense 1
heads-up, wide-awake -- (fully alert and watchful; "played heads-up ball")

INDIRECT (VIA alert) -> unalert, unwatchful, unvigilant -- (not alert to what is potentially dangerous)

Similarity of adj heads-up

1 sense of heads-up

Sense 1
heads-up, wide-awake -- (fully alert and watchful; "played heads-up ball")
       => alert (vs. unalert), watchful -- (engaged in or accustomed to close observation; "caught by a couple of alert cops"; "alert enough to spot the opportunity when it came"; "constantly alert and vigilant, like a sentinel on duty")

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