A failure (something incapable of success).
A failure, especially of a financial transaction (a termination of an action).
A failure (condition of being unsuccessful).
A failing grade in an academic examination.
Poor quality; substandard workmanship.
A piece of turf cut from grassland.
Not to achieve a particular stated goal. (Usage note: The direct object of this word is usually an infinitive.)
To become unable to meet one's engagements; especially, to be unable to pay one's debts or discharge one's business obligation; to become bankrupt or insolvent.
To receive one or more non-passing grades in academic pursuits.
To give a student a non-passing grade in an academic endeavour.
To be wanting to, to be insufficient for, to disappoint, to desert; to disappoint one's expectations.
To be wanting; to fall short; to be or become deficient in any measure or degree up to total absence.
To neglect.
To be unsuccessful.
Of a machine, etc.: to cease to operate correctly.
Unsuccessful; inadequate; unacceptable in some way.
A person whose abilities are less than normal.
That part of the axis of a curved line which is intercepted between the ordinate and the normal.
denormal
Less than normal.