Antonyms of adj inboard

1 sense of inboard

Sense 1
inboard (vs. outboard) -- (located within the hull or nearest the midline of a vessel or aircraft; "the inboard flaps on the wing")

outboard (vs. inboard) -- (located away from the midline of a vessel or aircraft; "the outboard section of a wing"; "outboard rigging")
        => portable -- (of a motor designed to be attached to the outside of a boat's hull; "a portable outboard motor")

Similarity of adj inboard

1 sense of inboard

Sense 1
inboard (vs. outboard) -- (located within the hull or nearest the midline of a vessel or aircraft; "the inboard flaps on the wing")