[ koodst, kootst ]

auxiliary verb and verbArchaic.
  1. 2nd person singular simple past tense of can1.

  • Also could·est [kood-ist]. /ˈkʊd ɪst/.

Words Nearby couldst Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use couldst in a sentence

  • Nor hast thou ever known, Aspasia,Or couldst thou comprehend the thoughts that onceThou didst inspire in me.

  • God answered him, "I have suffered him these hundred years, although he dishonored me; and couldst not thou endure him one night?"

    Library Notes | A. P. Russell
  • “I thought thou couldst shoot true, Shumilana,” whispers Mandevu.

    Forging the Blades | Bertram Mitford
  • What knowest thou of this, for I think thou couldst not have been far from this place at sundown yesterday?

    A Frontier Mystery | Bertram Mitford
  • A right Conjurer might I name thee, couldst thou conjure back into these wooden tools the divine virtue they once held.

    Sartor Resartus | Thomas Carlyle

British Dictionary definitions for couldst


/ (kʊdst) /

  1. archaic used with the pronoun thou or its relative form, the form of could

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012