Dictionary.net

• omitting no one; from the door of one house to that of the next; "a door-to-door campaign"; "house-to-house coverage"

2006 - WordNet 3.0
By Princeton University

• omitting no one; from the door of one house to that of the next; "a door-to-door campaign"; "house-to-house coverage"

2011 - English Dictionary Database
By DataStellar Co., Ltd