All 3 Uses

nonetheless
in
The Choice, by Nicholas Sparks
(Auto-generated)

Everyone was chattering as they reached the platform, talking about the fish or dolphins they'd seen, but Gabby nonetheless felt herself growing nervous as her turn approached.†
p. 120.9 *

nonetheless = in spite of that (used to connect contrasting ideas)
Nonetheless, the workplace remained tense for Gabby, and a few weeks later, Dr. Furman called Gabby into the office and suggested that she consider trying to find another place to work.†
p. 232.1
"Where were you?" she asked, the words slurry but nonetheless full of love, unmistakably full of life.†
p. 313.3

Definitions:

(1) (nonetheless)
in spite of that (Used to connect contrasting ideas. Other synonyms could include words and phrases such as nevertheless, all the same, still, and however.)
(2) (meaning too rare to warrant focus)