Entry 5 senses · 3 variants Webster, 1913 Inflate /ĭn-flāt'/ · In·flate · IPA /ɪnˈfleɪt/ p. a. v. t. v. i. 01 p. a. Blown in; inflated. 1. Blown in; inflated. 02 v. t. To swell or distend with air or gas; to dilate; to expand; to enlarge; as, to inflate a bladder; to inflate the lungs. imp. & p. p. Inflated; p. pr. & vb. n. Inflating 1. To swell or distend with air or gas; to dilate; to expand; to enlarge; as, to inflate a bladder; to inflate the lungs. “When passion's tumults in the bosom rise, Inflate the features, and enrage the eyes.” — J. Scott of Amwell. 2. Fig.: To swell; to puff up; to elate; as, to inflate one with pride or vanity. “Inflate themselves with some insane delight.” — Tennyson. 3. To cause to become unduly expanded or increased; as, to inflate the currency. 03 v. i. To expand; to fill; to distend. 1. To expand; to fill; to distend.