Thesaurus.com Dictionary.com

Definitions

thankless

[thangk-lis] / ˈθæŋk lɪs /

ADJECTIVE

unappreciated

Synonyms

STRONGEST

fruitless futile unpleasant

STRONG

ungrateful

WEAK

barren disagreeable distasteful miserable not worth it unprofitable unrecognized unrequited unreturned unrewarding useless vain wretched

Antonyms

STRONGEST

fruitful productive profitable

WEAK

appreciated appreciative considerate contented grateful rewarded satisfied thankful

ADJECTIVE

unappreciative, inconsiderate (in behavior)

Synonyms

STRONG

ungrateful unthankful

WEAK

careless cruel heedless inappreciative rude self-centered thoughtless ungracious unmindful

Antonyms

WEAK

appreciated appreciative considerate contented grateful rewarded satisfied thankful