unnecessary
The Correct spelling is: unnecessary
Common misspellings of the word unnecessary are:
How do you spell unnecessary?. It is not uneccesary or unecessary or unneccesary or unneccessary or even unnecesary for that matter!
adj. Not necessary; needless.
unnecessarily un·nec'es·sar'i·ly (-sâr'ə-lē) adv.