lowkey (adverb)

1. The lowkey architecture of the building perfectly blends into the surrounding environment.

2. My friend tried to be lowkey about eating the whole pizza, but we all knew it was him.

3. During the American Revolution, the Battle of Lexington was a lowkey conflict that marked the beginning of the war.

4. The main character in the anime series is lowkey about his hidden superpowers until they are revealed in the final episode.