English

Adjective

lost in thought ‎(comparative more lost in thought, superlative most lost in thought)

1. Being preoccupied with one's thoughts rather than paying attention to reality.
   • 1797, John Hoole, Jerusalem delivered: an^{[ sic ]} heroic poem, Volume 2, page 67

     These lines the knight perus'd, and, lost in thought, / He long in vain the secret meaning sought.