familiarly

adverb more familiarly · most familiarly

1. In a casual or informal manner, as with a close acquaintance; especially when such behavior may be considered inappropriate. He spoke familiarly to the hotel porter.
2. dated In an inappropriately sexual or romantic manner. ‘Oh, my oath,’ Dan said, and ‘chucked’ Mrs. Brown familiarly under the chin. ‘Get along wid you!’ she cried, jumping back and colouring up.
3. colloquial Colloquially; of common or vernacular speech, as opposed to scholarly language. The giant panda, familiarly known as a "panda bear", is not actually a bear at all.
4. In a manner prompting recognition or recollection. The voice from downstairs sounded familiarly like a foghorn, and right away he knew that Uncle Fred had arrived.
5. In a manner expressing comprehensive or intimate knowledge. The instructor spoke familiarly about the dangerous conditions on the mountain during the winter.