* Needless: Unnecessary or without a need.
* Careless: Showing a lack of care or attention.
* Feckless: Lacking in purpose or effectiveness; irresponsible.
* Ruthless: Having or showing no pity or compassion.
* Needless to say: Obviously.
* Less: A smaller amount or quantity.
* Lesser: Smaller in size or importance.
Let me know if you'd like more!