inboard located within the hull or nearest the midline of a vessel or aircraft
on board on a ship, train, plane or other vehicle
unbraid undo the braids of
unbarred not firmly fastened or secured
aboard on a ship, train, plane or other vehicle
outboard located away from the midline of a vessel or aircraft
onward in a forward direction
inbred normally existing at birth
untoward not in keeping with accepted standards of what is proper
unpowered not having or using power
one-party determined by a single party
signboard structure displaying a board on which advertisements can be posted
unburied not buried
unpaired of the remaining member of a pair, of socks e.g.
inebriate make drunk (with alcoholic drinks)
snowboard a board that resembles a broad ski or a small surfboard
on guard vigilant
John Barth United States novelist (born in 1930)
inbound directed or moving inward or toward a center
unbound not restrained or tied down by bonds