insufficient
adjective
not sufficient; lacking in what is necessary or required.
insufficiently
-
a word derived from
insufficient.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
She makes some insufficiently careful decisions, but those around her tend to overreact.
From Los Angeles Times ● Jun. 12, 2026
We are also a species insufficiently grateful, it seems, for the favors flowers bestow.
From The Wall Street Journal ● Apr. 17, 2026
Researchers say, however, that these devices are essential to supplement official data that they view as fragmented and insufficiently independent.
From Barron's ● Jan. 21, 2026
It comes amid an ongoing dispute between providers of transport to the Unesco world heritage site, with local communities unhappy with what they say is an insufficiently open bidding process.
From BBC ● Dec. 31, 2025
“All these shameful faces. Perhaps,” he said more coolly, “some of you are ashamed at how insufficiently you were prepared for yesterday’s lesson.”
From "The Secret History" by Donna Tartt
