Synonyms|12Antonyms|0|Broader|0Narrower|0Related|6
4
aboard(adjective, adverb)
1
alongside
1
on board(expression, idiom)
1
shipboard
0
airborne
0
in-flight
0
mid-flight
0
midair
0
on base(expression, idiom)
0
on the bus
0
on the ship
0
on the train
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APASmart Define. (2013). onboard thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/onboard/thesaurus/synonyms
ChicagoSmart Define. 2013. "onboard thesaurus" https://smartdefine.org/onboard/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, onboard thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/onboard/thesaurus/synonyms>.
MLASmart Define. "onboard thesaurus" 17 June 2013. Web. 20 September 2026. <https://smartdefine.org/onboard/thesaurus/synonyms>