unconsidered
[adjective]
Synonyms: petty, inconsequent, inconsequential, inconsiderable, paltry, picayune, puny, small, trifling, trivial, random, aimless, designless, desultory, haphazard, hit-or-miss, indiscriminate, objectless, promiscuous, unplanned, rash, brash, hasty, hotheaded, ill-advised, incautious, inconsiderate, reckless, thoughtless, unadvised

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Antonyms: considered, planned

[TahlilGaran] English Synonym Dictionary ▲

un‧con‧sid‧ered /ˌʌnkənˈsɪdəd◂ $ -ərd◂/ adjective written
unconsidered remarks or actions are made without care or thinking about the possible results

[TahlilGaran] Dictionary of Contemporary English ▲