lose sight of
Overlook, fail to take into account, as in We must not lose sight of our main objective, or Beverly never lost sight of her humble beginnings. This metaphoric expression alludes to physical sight. [Early 1700s] For an antonym, see bear in mind.
Words nearby lose sight of
lose one's shirt,
lose one's temper,
lose one's touch,
lose oneself in,
lose out,
lose sight of,
lose sleep over,
lose the thread,
lose time,
lose touch,
lose track