1. in a way that is not known or recognized; strangely

Examples

• The street looked unfamiliarly dark without the usual streetlights.
• She spoke unfamiliarly, as if trying to disguise her voice.
• The room was arranged unfamiliarly, making it hard to find anything.
• He walked unfamiliarly through the neighborhood he once knew well.
• The melody sounded unfamiliarly haunting in the empty concert hall.
• The software interface appeared unfamiliarly complex to new users.