worthless; amounting to nothing
For years he expected that his uncle would leave him a fortune in his will, but when he did finally die, it turned out that he had left him only a few nugatory items.
nugator (jester, trifler, braggart) (Latin)
No+guarantee, i. e a product which has no guarantee, is worthless. almost sounds like New+Gay+Tree. which is futile because gays wont have a nice family tree. (NO OFFENSE whatsoever). (Should be original) nugat. sounds like NEGLET. and something which can be neglected is ALWAYS WORTHLESS AND FUTILE.