1. (adjective) lacking the requisite qualities or resources to meet a task

• inadequate

1. (adjective) poorly balanced or matched in quantity or value or measure

• anisometric
• unsymmetrical
• mismatched
• uneven
• nonequivalent
• odds-on
• unbalanced
• unequalised
• unequalized

2. (adjective) lacking the requisite qualities or resources to meet a task

• deficient
• lacking
• wanting
• incapable
• incompetent
• unequal to
• short-handed
• short-staffed
• undermanned
• understaffed

1. (adjective) poorly balanced or matched in quantity or value or measure

• incommensurate

2. (adjective) lacking the requisite qualities or resources to meet a task

• unsatisfactory

1. (adjective) poorly balanced or matched in quantity or value or measure

• equal

2. (adjective) lacking the requisite qualities or resources to meet a task

• adequate
• equal

1. (adjective) lacking the requisite qualities or resources to meet a task

• inadequacy
• inadequateness