informally
🇺🇸
/ɪnˈfɔːrməli/
🇬🇧
/ɪnˈfɔːməli/
in a casual, relaxed way without strict rules
They told me informally that I got the job, but I'll get the official letter next week.
wearing comfortable clothes for relaxing, not for special events
Dress informally for the picnic, as we'll be sitting on the grass.