D defs.my
Entry 1 sense Webster, 1913

Pioneering

· Pi·o·neer·ing · IPA /pˌaɪənˈɪrɪŋ/
01 a. groundbreaking; originating; -- of efforts that begin work in a field or on a topic not previously widely known.
  1. 1.
    groundbreaking; originating; -- of efforts that begin work in a field or on a topic not previously widely known.