need ‧ less /ˈniːdləs/ BrE AmE adjective
[ Word Family: noun : ↑ need , needs, the needy; adjective : ↑ needless , ↑ needy ; verb : ↑ need ; adverb : ↑ needlessly ]
1 . needless to say used when you are telling someone something that they probably know or expect:
Needless to say, any contributions of money will be gratefully received.
2 . needless troubles, suffering, loss etc are unnecessary because they could easily have been avoided SYN unnecessary :
The report caused needless anxiety to women who have attended the clinic.
We need to bring to an end these needless deaths.
Charles hates needless waste.
—needlessly adverb :
People are dying needlessly every year of heart attacks.