With lofty but empty words, they appeal to the sensual passions of the flesh and entice those who are just escaping from others who live in error.
18. For when they speak great swelling words of vanity. The words are, — “For uttering bombasts of vanity, they allure,” etc. The word ὒπέρογκα, being a neuter plural, may be rendered as a noun; literally, “overswellings of vanity;” but when applied to words, it means what is pompous, inflated, bombastic; but these bombasts were those of vanity, being empty, useless, unprofitable; or as some...
The apostle's design being to warn us of, and arm us against, seducers, he now returns to discourse more particularly of them, and give us an account of their character and conduct, which abundantly justifies the righteous Judge of the world in reserving them in an especial manner for the most severe and heavy doom, as Cain is taken under special protection that he might be kept for uncommon vengeance.
Commenting on 2 Peter 2:10-22
For when they speak great swelling words of vanity,.... Marvellous things against the God of gods, great things and blasphemies against God, his name, his tabernacle, and his saints; see Dan 11:36; or against men, dominions, and dignities, Pe2 2:10; or it may design their self-applauses and vain glorying in themselves, and their empty boast of knowledge and learning; and also express the windiness of...