Her grip on my hand 'relaxed' [='loosened'] only after the roller coaster had come to a complete stop.
He has a 'relaxed' attitude towards his studies. [=he is not very serious about his studies]
The seminar was very 'relaxed'—we met at the professor's house instead of the lecture hall.
(..) It's nice. - You and Romanoff. - No, we haven't, that wasn't... It's okay, nobody's breaking any by-laws. It's just, she's not the most...open person in the world. But with you she seems very relaxed. No, Natasha, she...she likes to flirt. I've seen her flirt, up close. This ain't that. Look... (..)2015 Avengers: Age of Ultron