Crossword clues for Field of a size. 4 lettersAnswerClueACREFair-sized fieldACREFootball-field size, approximatelyACREField size, maybeACREGood-size fieldACRESmall field sizeACREField size, sometimesACREField of a size.ONEACRESize of a football field, roughlyONEACREPlot that's about 75 percent the size of a football fieldIKEASTFurniture outlet with an average size of 300,000 square feet, or five football fields