thankless

[US]/'θæŋklɪs/

[UK]/'θæŋkləs/

Frequency: Very High

Translation

adj. grueling and unappreciated; lacking gratitude; ungrateful

thankless task

thankless job

thankless duty

Nobody was keen to take on such a thankless task.

It was a thankless job, so we choked him off before long.

thankless hours of work

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