The term 'OUTLINE SHARPLY' can be solved by two crossword solutions, 'ETCH' and 'LIMN'. Both terms refer to the action of drawing or tracing a line or shape on a surface. 'ETCH' is a verb that means to carve or engrave a design into a hard surface, such as metal or glass. 'LIMN' is also a verb, meaning to draw or trace a line or shape on a surface, usually with a pen or pencil. Both terms can be used to describe the action of outlining something sharply.