'Resistant' definitions:

Definition of 'resistant'

From: WordNet
adjective
Relating to or conferring immunity (to disease or infection) [syn: immune, resistant]
adjective
Able to tolerate environmental conditions or physiological stress; "the plant is tolerant of saltwater"; "these fish are quite tolerant as long as extremes of pH are avoided"; "the new hybrid is more resistant to drought" [syn: tolerant, resistant]
adjective
Impervious to being affected; "resistant to the effects of heat"; "resistant to persuasion"
adjective
Disposed to or engaged in defiance of established authority [syn: insubordinate, resistant, resistive]
adjective
Incapable of absorbing or mixing with; "a water-repellent fabric"; "plastic highly resistant to steam and water" [syn: repellent, resistant]

Definition of 'Resistant'

From: GCIDE
  • Resistant \Re*sist"ant\ (-ant), a. [F. r['e]sistant: cf. L. resistens. See Resist.] Making resistance; resisting. -- n. One who, or that which, resists. --Bp. Pearson. [1913 Webster]

Synonyms of 'resistant'

From: Moby Thesaurus