not great is not in our dictionary (yet). Here's what it could mean:

Results generated using artificial intelligence.

adjective

Of a quality that is mediocre, disappointing, or unsatisfactory; feeling unwell or in low spirits.

Examples are provided to illustrate usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This is not great defense — this is simply offensive.

From Los Angeles Times • May 30, 2026

“That seems, you know, not great for retail investors.”

From Barron's • May 22, 2026