Similar word to coarsen:
augment, bloat, broaden, build up, coarsen, cram, distend, expand, feed, fill, gain weight, increase, overfeed, plump, put flesh on, put on weight, round out, spread, stuff, swell, thicken, thrive, wax
augment, bloat, broaden, build up, coarsen, cram, distend, expand, feed, fill, gain weight, increase, overfeed, plump, put flesh on, put on weight, round out, spread, stuff, swell, thicken, thrive, wax