adj. 25B6; adjective UNNECESSARY, inessential, non-essential, unneeded, undesired, unwanted, uncalled for; gratuitous, pointless; dispensable, expendable, superfluous, redundant, excessive, supererogatory.
necessary.
25A0; needless to say OF COURSE, as one would expect, not unexpectedly, it goes without saying, obviously, naturally; informal natch.