unexplainableadj.
/ˌʌnᵻkˈspleɪnəbl/, /ˌʌnɛkˈspleɪnəbl/, U.S. /ˌənᵻkˈspleɪnəb(ə)l/, /ˌənɛkˈspleɪnəb(ə)l/ Inexplicable.
ΘΚΠ
the mind > mental capacity > intelligibility > unintelligibility > inexplicableness > [adjective]
unplitable?c1425
unexplicable1532
inexplicable1546
subtle1547
irresolute1574
subtile1582
undissoluble1587
incomprehensible1604
unexpoundable1611
unfoldable1611
inexplainable1623
unsalvable1624
uninterpretable1625
indissolvable1637
unaccountable1643
inaccountable1647
unexplainablea1711
undecipherable1757
irresolvable1785
indecipherable1853
unconstruable1856
inconstruable1874
unravellable1881
a1711 T. Ken Hymnotheo in Wks. (1721) III. 357 Each Plant, Worm, Mite, Pebble we behold, Strange Wonders unexplainable enfold.
1858 M. Oliphant Laird of Norlaw II. 88 The unconscious, unexplainable poetic elevation of the lad.
1875 W. D. Whitney Life & Growth Lang. x. 195 Facts which for the time seem unexplainable by ordinary means.
Derivatives
unexˈplainably adv. inexplicably.
ΘΚΠ
the mind > mental capacity > intelligibility > unintelligibility > inexplicableness > [adverb]
unaccomptibly1678
unaccountably1694
unexplainedly1811
undecipherably1847
unexplainably1899
inexplicably1903
mystifyingly1937
1899 E. Œ. Somerville & ‘M. Ross’ Some Experiences Irish R.M. 247 At last we came, unexplainably, into smooth water.
This entry has not yet been fully updated (first published 1921; most recently modified version published online March 2022).
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adj.a1711