Crossword clues for Powerful. 4 lettersAnswerClueHASTO, from what power ___ thou this powerful might? (Shak.)MOJOAustin Powers's powerMOJOAustin Powers' "power"DIONThe Power of Love and "The Power of the Dream" singer CelineAAAAPower source of little powerMOJOSource of Austin Powers' "power"LEADPencil powerSLEDRunning back's leg-power builderWATTUnit of power, in physics.OUTSThose no longer in power.WANEFall in powerIMACPower to the pro computerMOLYFabulous herb of occult power.EGISProtective power or shield.SWAYSovereign power.MOLYMythical herb of magic powers.FANSDucted ___, motive power of new flying platform.ELECPower: Abbr.HORNBiblical symbol of powerVETOOverriding powerOXENPowerful team membersEGBAMost powerful tribe of the Yoruba peoples.WANEFall from power.SWAYPower.TAFTA power in the Senate Foreign Relations Committee.VETOOne of Ike's powers.CZARRuler with unlimited power.VETOImportant executive power.DAMSPower projects.ATOMPower behind the Nautilus.OARSNaval power since ancient timesLAVAWith 59 Down, "pumice-powered" productOARSPower for a galley.GRIDSource of powerWITSPowers of reasoning.LENSIts power is measured in diopters.TIRELose powerACDCDual-power, as an applianceAMPSHelp for the power hungrySKILExpertise power-tool brandDAMSPower-production projectsSWAYDominating powerTECOIndian of a once powerful Mexican tribe.ACDCTwo-way power lettersDIEDLost power, as batteriesSLEDGravity-powered snow vehicleBELSPower units named after a great scientist.VANEWind-powered spinnerUSSRRed letters of a grim power.FUELSource of heat or power.