change in outward structure or looks; "He transformed into a monster"; "The salesman metamorphosed into an ugly beetle"
increase or decrease (an alternating current or voltage)
change (a bacterial cell) into a genetically distinct cell by the introduction of DNA from another cell of the same or closely related species
convert (one form of energy) to another; "transform energy to light"
change or alter in form, appearance, or nature; "This experience transformed her completely"; "She transformed the clay into a beautiful sculpture"; "transubstantiate one element into another"
lacking enlightenment or knowledge or culture; "this benighted country"; "benighted ages of barbarism and superstition"; "the dark ages"; "a dark age in the history of education"
overtaken by night or darkness; "benighted (or nighted) travelers hurrying toward home"