Inadequate \In*ad"e*quate\, a. [Pref. in- not + adequate: cf. F. inad['e]quat.] Not adequate; unequal to the purpose; insufficient; deficient; as, inadequate resources, power, conceptions, representations, etc. --Dryden. -- {In*ad"e*quate*ly}, adv. -- {In*ad"e*quate*ness}, n. [1913 Webster]