inadequate

Not adequate to fulfill a need or meet a requirement; insufficient.

Not adequate; not equal to requirement; insufficient to effect the end desired; incomplete; disproportionate; defective.

Synonyms Incommensurate, incompetent.

Not adequate; unequal to the purpose; insufficient; deficient

Not adequate; unequal to the purpose; insufficient; deficient; as, inadequate resources, power, conceptions, representations, etc.

lacking the requisite qualities or resources to meet a task

not sufficient to meet a need