Crossword clues for Null 3 lettersAnswerClueLETNull tennis serveNILNullLETNull serviceNULLSMakes ineffective.NULLEDRendered invalid.NULLOf no consequence.NULLSNeutralizes.NULLHaving no elementsNULLOf no avail.NULLEmptyNULLNot validNULLHaving no valueNULLWithout significanceNULLInvalidNULLWithout valueNULLNothingNULL___ and voidNULLSRenders invalidNULLLegally invalidNULLLike the set ØNULLPartner of voidNULLLike sets with no elementsNULLZeroNULLNo longer in effectNULLWithout a value, as a database cellNULLEmpty, as a setNULLOf no valueNULLWorthlessNULLVoid partnerNULLOf no legal forceNULLInvalidateNULLSet with nothing in itNULLSCancelsNULLLacking valueNULLEmpty, as a math setNULLVoid companionNULLHaving no effectNULLSMakes voidNULLNo longer in forceNULLVoid's companionNULL__ and voidNULLEmpty, in mathNULLSGoose eggsNULL__ and void (no longer valid)NULL__ and void (not valid)NULLValuelessNULLVoidedNULLNonexistentNULL__ and void (inoperative)NULLHaving no force