thankless

[thangk-lis] / ˈθæŋk lɪs /

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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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

thankless

It’s a thankless job, and one that also comes with legal jeopardy.

From MarketWatch ● Aug. 7, 2026

Miyamoto has a similar humble but thankless task she’d want help with.

From Salon ● Jul. 18, 2026

As a society, Kalki says, we take mothers for granted and raising children is a thankless job.

From BBC ● Jul. 9, 2026

How sharper than a serpent’s tooth it is to have a thankless audience.

From Los Angeles Times ● Jan. 22, 2026

Who wants to stay in some thankless, impossible job?

From "A Heart in a Body in the World" by Deb Caletti