Heedless and On alert

Opposite meaning terms

Heedless adjective - Not paying or showing close attention especially for the purpose of avoiding trouble.

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On alert is an antonym for heedless.

Nearby Words: heed, heedlessly, heedful

Definitions of Heedless not found.

Heedless is an antonym for on alert in careful topic.

Cite this Source

On alert and Heedless. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/heedless/on_alert

Heedless & On alert. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/heedless/on_alert>.

On alert or Heedless. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/heedless/on_alert.

Google Ngram Viewer shows how "heedless" and "on alert" have occurred on timeline