swelling (adj.) 5
inflated with anger, feeling strong emotion
R2 I.i.201 [King Richard to Bolingbroke and Mowbray] There shall your swords and lances arbitrate / The swelling difference of your settled hate
R3 II.i.52 [King Edward to Richard, of the lords] these swelling, wrong-incensed peers
Tit V.iii.13 [Aaron to Lucius] The venomous malice of my swelling heart