From swine + -ish.
swinish (comparative more swinish, superlative most swinish)
- Like a pig, resembling a swine; gluttonous, coarse, debased.
- 1946, Bertrand Russell, History of Western Philosophy, I.27:
- Epicurus, though his ethic seemed to others swinish and lacking in moral exultation, was very much in earnest.