Entry 2 senses · 2 variants Webster, 1913 Swollen /swōl'-ən/ · Swoll·en · IPA /ˈswoʊ.lən/ p. p. a. 01 p. p. p. p. of Swell. 1. p. p. of Swell. See: Swell 02 a. Enlarged by swelling; immoderately increased; as, swollen eyes; swollen streams. 1. Enlarged by swelling; immoderately increased; as, swollen eyes; swollen streams.