adjective
Etymology: from past participle of lose
1.
a. : not made use of : wasted
lost hours
: missed
lost opportunity
b. : not gained or won
lost battle
lost race
c. : not claimed : forfeited
lost annuity
lost option
2.
a. : having wandered from the path : unable to find the way
lost child
b. : no longer visible
the plane was soon lost in the distance
lost in the crowd
c. : lacking assurance or self-confidence : uncertain as to direction or location : bewildered
felt lost on the first day on the job
: helpless
lost without his glasses
only the intellectually lost who ever argue — Oscar Wilde
3. : ruined or destroyed physically or morally : damned
lost ship
lost soul
: desperate
wild lost manner of occasionally clasping his head in his hands — Charles Dickens
crying out such lost and terrible words — Virginia Woolf
4.
a. : parted with
lost limb
: gone out of one's possession or control : mislaid
lost book
b. : no longer possessed
lost honor
lost reputation
lost memory
c. : no longer known
lost tunnel
lost city
or practiced
lost art
5.
a. : taken away or beyond reach or attainment : denied — used with to
Asia Minor and the Balkans went the way of other regions lost to the faith — Kemp Malone
his career is lost to history after that date
b. : hardened , insensible — used with to
lost to all sense of honor
lost to shame
6. : affected by or occupied with something so as to be unaware of one's surroundings : rapt
lost in revery
lost in admiration
7. of a golf ball : that cannot be found within five minutes