Both Uses
portentous
in
Main Street, by Sinclair Lewis
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- But there, there, I mustn't croak, I just wanted to let you know that when you find you can't depend on a lot of these gadding young folks like the Haydocks and the Dyers—and heaven only knows how much money Juanita Haydock blows in in a year—why then you may be glad to know that slow old Aunty Bogart is always right there, and heaven knows——" A portentous sigh.†
Chpt 6 *
- Kennicott was yawning, more portentously.†
Chpt 14
Definitions:
-
(1)
(portentous) very important; or indicating something important in the future -- often something that is threatening
or:
acting overly important or serious - (2) (meaning too rare to warrant focus)