thankless
thank‧less /ˈθæŋkləs/
adjective
thankless task/job/chore etc
Cooking every day is a thankless task.
2. literary a thankless person is not grateful
thank‧less /ˈθæŋkləs/
adjective Word Family: noun: thanks, thankfulness; adjective: thankful, thankless; verb: thank; adverb: thankfully
1. a thankless job is difficult and you do not get any praise for doing itthankless task/job/chore etc
2. literary a thankless person is not grateful