Definition of over-familiarly in English:

over-familiarly

adverb

  • In an over-familiar manner.

Origin

Late 15th century; earliest use found in William Caxton (1415x24–1492), printer, merchant, and diplomat. From over- + familiarly.

Pronunciation

over-familiarly

/ˌəʊvəfəˈmɪlɪəli/