Entry 2 senses · 2 variants Webster, 1913 Straightly · Straight·ly · IPA adv. adv. 01 adv. In a right line; not crookedly. 1. In a right line; not crookedly. 02 adv. A variant of Straitly. See 1st Straight. 1. A variant of Straitly. See 1st Straight. See: Straitly, Straight