Antonyms of adj inbound

1 sense of inbound

Sense 1
inbound, inward -- (directed or moving inward or toward a center; "the inbound train"; "inward flood of capital")

INDIRECT (VIA incoming) -> outgoing -- (leaving a place or a position; "an outgoing steamship")

Similarity of adj inbound

1 sense of inbound

Sense 1
inbound, inward -- (directed or moving inward or toward a center; "the inbound train"; "inward flood of capital")
       => incoming (vs. outgoing) -- (arriving at a place or position; "incoming class"; "incoming mail")