insufficient

Not sufficient; inadequate.

Not sufficient; lacking in what is necessary or required; deficient in amount, force, or fitness; inadequate; incompetent: as, insufficient provision or protection; insufficient motives.

Not sufficient; not enough; inadequate to any need, use, or purpose.

Wanting in strength, power, ability, capacity, or skill; incompetent; incapable; unfit.

Not sufficient.

of a quantity not able to fulfill a need or requirement