Reckless
Reckless adjective - Having or showing a lack of concern for the consequences of one's actions.
Unpredictable and reckless are semantically related. In some cases you can use "Unpredictable" instead an adjective "Reckless".
Nearby Words: recklessness, recklessly
Unpredictable
Unpredictable adjective - Likely to change frequently, suddenly, or unexpectedly.
Reckless and unpredictable are semantically related. Sometimes you can use "Reckless" instead an adjective "Unpredictable".
Nearby Word: unpredictability
Both words in one sentence
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Generally disliked by his fellow Demonic Invaders for his reckless and unpredictable experiments, some on his own kind, some resulting in powerful artifacts turned against them and Flame Haze.
Source: For Science! -
Morgan. He starts out as a Well-Intentioned Extremist and almost malicious about it, but after seven books or so his opinion of Harry gets upgraded to "reckless and unpredictable but probably not evil" (which, to be fair, is pretty accurate).
Source: Inspector Javert -
Worst Traits: Selfish, irresponsible, unforgiving, unpredictable, lazy, reckless.
Source: Personality Blood Types
Cite this Source
Unpredictable and Reckless. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/reckless/unpredictable
Reckless & Unpredictable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/reckless/unpredictable>.
Unpredictable or Reckless. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/reckless/unpredictable.
Google Ngram Viewer shows how "reckless" and "unpredictable" have occurred on timeline