Unecessary is not a word. The correct spelling of the word you are looking for is unnecessary, which means not needed or non-essential.
Unecessary is not a word. Most vulgarity in modern media is unnecessary. It is added by mediocre writers and artists for the appearance of validity, rather than valuable emotional intensity or meaningful flavor.
Honey, if we're going out somewhere nice and romantic then to have sex afterwards, I'd appreciate it if you could shave or at least give it a bit of a trim as it's getting a tad unkempt down there..