obstinate

Universal Words adjective 1 (often disapproving) refusing to change your opinions, way of behaving, etc. when other people try to persuade you to; showing this SYNSTUBBORN: He can be very obstinate when he wants to be! * her obstinate refusal to comply with their request 2 [usuallybeforenoun] difficult to get rid of or deal with SYNSTUBBORN: the obstinate problem of unemployment * an obstinate stain obstinacy noun [U]: an act of sheer obstinacy obstinately adverb: He obstinately refused to consider the future.