Word Study
uncomplaining
OXFORD DICTIONARY
uncomplaining, adj. not complaining; resigned.
Derivative
uncomplainingly adv.
THESAURUS
uncomplaining
abject, accepting, accommodating, acquiescent, adapting, adaptive, adjusting, agreeable, amenable, assenting, at ease, comfortable, complaisant, compliable, compliant, complying, composed, consenting, content, contented, easy, easygoing, eupeptic, euphoric, happy, humble, meek, nondissenting, nonresistant, nonresisting, nonresistive, obedient, of good comfort, passive, pleased, reconciled, resigned, sans souci, satisfied, servile, submissive, subservient, supine, unassertive, unrepining, unresistant, unresisting, without careFor further exploring for "uncomplaining" in Webster Dictionary Online