free from curves, bends, angles, or irregularities straight hair straight timber
ing along or holding to a direct or proper course or method a straight thinker
ming directly from a trustworthy source a straight tip on the horses
ee from extraneous matter unmixed straight whiskey
ing the only form of remuneration on straight commission
extending uniformly in one direction without bends or irregularities [adj STRAIGHTER, STRAIGHTEST] / to make straight [v STRAIGHTED, STRAIGHTING, STRAIGHTS]
to make straight [v -ED, -ING, -S] / uncurved (not curved) [adj STRAIGHTER, STRAIGHTEST]