Entry 2 senses · 2 variants Webster, 1913 Pregnantly · Preg·nant·ly · IPA adv. adv. 01 adv. In a pregnant manner; fruitfully; significantly. 1. In a pregnant manner; fruitfully; significantly. 02 adv. Unresistingly; openly; hence, clearly; evidently. 1. Unresistingly; openly; hence, clearly; evidently.[Obs.]