Crossword clues for On a diagonal 6 letters:DIAGON___ Alley, shopping area for Harry PotterDIAGON___ Alley (shopping hub in the Potterverse)DIAGON___ Alley (wizards' shopping hub)DIAGON___ Alley (where Harry Potter shops for wands)BISHOPDiagonal-moving pieceBISHOPIt moves diagonallyEDGERSLawn trimming tools (Bonus diagonal clue: Extra power source, literally? [enter from this answer's 3rd letter to 20-Across' 4th letter])SLANTSMoves diagonally.BISHOPChess piece, moving diagonally.SPRITSDiagonal spars.TWILLSPatterns with diagonal ribsBISHOPDiagonal moverNEVADAState that shares the longest diagonal border in the country with CaliforniaMITERSDiagonal jointsBISHOPDiagonal-moving chesspieceBIASESDiagonal linesTILTEDOn a diagonalTWILLSFabrics with diagonal ridgesTWILLSFarbics with diagonal ribs.SUNOCOCompany whose logo has a diagonal red arrowASLOPEDiagonallySLANTSTakes a diagonal course.KINGMEExclamation after a diagonal moveBIASESDiagonals, in sewingBISHOPPiece that moves on the diagonalsCOFFEEWith 84 Across, work interruptions literally depicted in this puzzle five times in the Across direction (and hidden once diagonally)SASHESDiagonally worn pageant accessoriesSLANTSDiagonalsADIDASShoe brand with a logo that looks like cell phone reception bars turned diagonallyBISHOPIt moves diagonally in chessBISHOPChess piece that moves diagonallyDIAGONALOn a slantDIAGONALSOblique linesDIAGONALShortcut, maybeDIAGONALGeometry lineDIAGONALLYSee 119-AcrossDIAGONAL*Shortcut path, maybeDIAGONALLike a northeast-to-southwest lineDIAGONALSVirgules or twillsDIAGONALCater-cornered.DIAGONALBiasDIAGONALGeometric lineDIAGONALTV measurementDIAGONALShortcut, perhapsDIAGONALTwill weaveDIAGONALVirguleDIAGONALSlantingDIAGONALBishop's pathDIAGONALSThey show a biasDIAGONALOblique