For the first time in weeks he was sufficiently roused by his wife to look at her.
The only flaw was that the Glen Oriole sewers had insufficient outlet, so that waste remained in them, not very agreeably, while the Avonlea cesspool was a Waring septic tank.
Teas were not unknown to Babbitt—his wife and he earnestly attended them at least twice a year—but they were sufficiently exotic to make him feel important.
IV If he was frightened by Ted’s slackness, Babbitt was not sufficiently frightened by Verona.
He sat at a glass-covered table in the Art Room of the Inn, with its painted rabbits, mottoes lettered on birch bark, and waitresses being artistic in Dutch caps; he ate insufficient lettuce sandwiches, and was lively and naughty with Mrs. Sassburger, who was as smooth and large-eyed as a cloak-model.
Anyway—I tell you it’s mighty important to—I was saying to Verg Gunch, just last evening, most people don’t take sufficient care of their diges—"
There are no more uses of "sufficient" in the book.