Cooking every day is a thankless task.thanklessthank‧less /ˈθæŋkləs/ adjective 
Cooking every day is a thankless task.2literary a thankless person is not grateful
WORD ORIGINthankless
Origin:
1500-1600 thank (noun); ➔ THANKS2EXAMPLES FROM OTHER DICTIONARIES
- a thankless child
- Do-gooding is often tough, thankless work.
- Dole stands up and shoulders the practical and often thankless burden of political leadership.
- In some ways that was a thankless task.
- It seems an exhausting and thankless task.
- Policing this activity to ensure submission of the reports is an unenviable and thankless task.
- Shakur has charisma, and, luckily, the less thankless role: at least his character has a vestige of scruples.
COLLOCATIONS FROM THE ENTRY Cooking every day is a thankless task.COLLOCATIONS FROM OTHER ENTRIES
Cooking every day is a thankless task. (=a difficult but necessary job)· Driving a bus in London must be a pretty thankless task.
COLLOCATIONS FROM THE CORPUSNOUN· It seems an exhausting and thankless task.· In some ways that was a thankless task.· Policing this activity to ensure submission of the reports is an unenviable and thankless task.· As every true Cornishman knows, it was the wicked Tregeagle who was supposedly punished with this thankless task.· Looking for reasoning in the forex markets is a thankless task so we won't bother.
WORD FAMILYnounthanksthankfulnessadjectivethankfulthanklessverbthankadverbthankfully
1a thankless job is difficult and you do not get any praise for doing itthankless task/job/chore etc Cooking every day is a thankless task.2literary a thankless person is not grateful