Straightened (up) is a term that describes the process of making something NEAT and orderly. The crossword solutions for this term are NEAT (4 letters), TIDIED (6 letters), and NEATENED (8 letters). NEAT is an adjective that means tidy and well-ordered. TIDIED is a verb that means to make something NEAT and orderly. NEATENED is also a verb that means to make something NEAT and orderly. All three words describe the same action of making something NEAT and orderly, but with different levels of intensity.