informal

The broad informal learning network in hunter-gatherer societies is made possible by intimate living conditions.

Instead, staff relied on a daily, informal assessment of the resident’s presentation to determine their needs.

“It relies on a series of informal trusted relationships”.

"We thought texters might like abbreviations because it would convey an informal sense of closeness, so we were surprised that abbreviations elicited negative perceptions about people who use them."

"While his role in the Department of Government Efficiency will be a more informal one, there’s no doubt that he’s got Trump ear - at least for the moment."