needless

adj, adv — 2 senses

needless

adj

/ˈniːdləs/

Etymology From Middle English needlees, nedelees, nedeles, equivalent to need + -less.

1

Not needed; unnecessary.

This new project of yours will only be a needless expense.
[…]they were needless bursts of imagination from a man who’d made such a show of unshowiness.2009 June 1, Jon Caramanica, “Country’s King Rules With Restraint”, in The New York Times:

Derived terms: needlessness, needless to say

needless

adv

Etymology From Middle English needlees, nedelees, nedeles, equivalent to need + -less.

1

Archaic Needlessly, without cause.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.