Free and easy
Definition 1 of 2
Pro Tip 1/3Informal Usage
Used in casual conversations more than in formal writing or speeches. 
When he's off duty, his free and easy way of speaking changes.
Pro Tip 2/3Positive Vibe
Conveys a positive feeling about someone's behavior or environment. 
The picnic had a free and easy vibe, with everyone enjoying themselves.
Pro Tip 3/3Personal Quality
May describe an admirable quality in someone's personality. 
Despite the pressure, the captain maintained a free and easy demeanor.