Meaning of Fail of
Unknown / অজানা / अज्ञात
to fall short of success or achievement in something expected, attempted, desired, or approved: The experiment failed because of poor planning.
to receive less than the passing grade or mark in an examination, class, or course of study: He failed in history.
to be or become deficient or lacking; be insufficient or absent; fall short: Our supplies failed.
to dwindle, pass, or die away: The flowers failed for lack of rain.
to lose strength or vigor; become weak: His health failed after the operation.