Similar words: less than, thankfulness, no less than, ankle, anklet, rankle, thank, thanks. Meaning: ['θæŋklɪs] 
adj. 1. not feeling or showing gratitude 2. not likely to be rewarded.
adj. 1. not feeling or showing gratitude 2. not likely to be rewarded. 
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1. Nobody was keen to take on such a thankless task.
2. Soccer referees have a thankless task.
3. Keeping the children's rooms tidy is a thankless task/job.
4. Volunteers had the thankless task of distributing campaign leaflets.
5. Cooking every day is a thankless task.
6. They seldom labour their wits on thankless task.
7. It was a thankless job, so we choked him off before long.
8. Do-gooding is often tough, thankless work.
9. It seems an exhausting and thankless task.
10. This president business is a pretty thankless job.
10. Sentencedict.com try its best to collect and create good sentences.
11. In some ways that was a thankless task.
12. Shakur has charisma, and, luckily, the less thankless role: at least his character has a vestige of scruples.
13. Who on earth would volunteer for such a thankless task?
14. Don't tell him, Joe, that I was thankless.
15. He is a thankless child.
16. Giving advice is usually a thankless act.
17. This is really a thankless task.
18. Roosevelt was reluctant to undertake the thankless task.
19. Such parts are often considered to be thankless, unrewarding.
20. DEFENDING American capitalism these days is a thankless job.
21. The thankless task of untangling fake votes from real ones falls to an electoral watchdog dominated by UN-appointed foreigners.
22. Thankless task of living.
23. How sharper than a serpent's tooth is to have a thankless child. 
24. Sometimes being a mother and a housewife felt like a thankless task .
25. Dole stands up and shoulders the practical and often thankless burden of political leadership.
26. Policing this activity to ensure submission of the reports is an unenviable and thankless task.
27. As every true Cornishman knows(sentencedict.com), it was the wicked Tregeagle who was supposedly punished with this thankless task.
28. Looking for reasoning in the forex markets is a thankless task so we won't bother.
29. Being a father ( parent ) is - let's face it - a pretty thankless job.
30. Effort curry favor with the matter, why become a thankless thing?
More similar words: less than, thankfulness, no less than, ankle, anklet, rankle, thank, thanks, thank you, thankful, thank God, thanks to, give thanks, thankfully, Thanksgiving, reckless, feckless, recklessly, changeless, tinkle, wrinkle, wrinkled, sprinkle, sprinkler, sprinkled, frankly, hackles, uselessness, than, selflessness.