Definition of lost cause
: a person or thing that is certain to fail She decided her acting career was a lost cause. I'm a lost cause when it comes to anything technical. Finishing the project on time seemed like a lost cause.
Word by Word Definitions
: not made use of, won, or claimed
: no longer possessed
: no longer known
: a reason for an action or condition : motive
: something that brings about an effect or a result
: a person or thing that is the occasion of an action or state
: to serve as a cause or occasion of
: to compel by command, authority, or force
Seen and Heard
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