irreflectiveadj.
/ɪrɪˈflɛktɪv/ Unreflecting, unthinking.
ΘΚΠ
the mind > mental capacity > thought > continued thinking, reflection, contemplation > lack of reflection > [adjective]
inconsiderable1640
unreflective1641
unconsidering1660
unreflecting1665
unthinking1676
unrevolving1758
unmeditative1823
unspeculating1828
irreflective1833
1833 W. Whewell Bridgewater Treat. (1853) 230 The gratification of our irreflective impulses.
1834 T. De Quincey Sketches Life & Manners in Tait's Edinb. Mag. Aug. 486/1 The careless, irreflective mind of childhood.
Derivatives
irreˈflectively adv.
ΘΚΠ
the mind > mental capacity > thought > continued thinking, reflection, contemplation > lack of reflection > [adverb]
inconsiderablya1646
unreflectingly1665
unthoughtfully1701
thoughtlessly1706
unthinkingly1717
uncannily1825
irreflectively1858
routinely1867
1858 T. De Quincey Pagan Oracles (rev. ed.) in Select. Grave & Gay VIII. 186 (note) Irreflectively he had allowed himself to anticipate..an impression.
1861 Temple Bar 1 341 Sometimes, when irreflectively irate, threatening to leave it away to strangers.
irreˈflectiveness n.
ΘΚΠ
the mind > mental capacity > thought > continued thinking, reflection, contemplation > lack of reflection > [noun]
inconsiderableness1640
unthoughtfulness1661
inconsideracy1748
unreflectingness1816
irreflectiveness1842
irreflection1861
1842 T. De Quincey Philos. Herodotus in Blackwood's Edinb. Mag. Jan. 3/1 The reason is palpable: it was the ignorance of irreflectiveness.
1899 Atlantic Monthly May 623 We read them a moral lecture on their irreflectiveness.
This entry has not yet been fully updated (first published 1900; most recently modified version published online March 2018).
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adj.1833