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Definition of aboard

aboard

/əˈbɔːrd/
a · board

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aboard Lexical Profile

aboard Game Scores & Validity

• adverb

1

On or into a ship, aircraft, train, or other large passenger vehicle.

Example

"The conductor blew the whistle and invited all remaining passengers to climb aboard."


2

Into a group, organization, team, or shared endeavor as a new participant or member.

Example

"We are thrilled to welcome our new director of engineering aboard this week."


3

North American On base in baseball.

Example

"The cleanup hitter stepped up to the plate with two outs and two runners aboard."

Synonyms
View all synonyms for aboard
Antonyms
View all antonyms for aboard

• preposition

1

On, in, or onto a ship, aircraft, train, or other large vehicle.

Example

"The marine biologists spent three weeks aboard the research vessel collecting deep-sea samples."

Word Nuance & Usage

Do not confuse 'aboard' (on or onto a ship, aircraft, or train) with 'abroad' (in or to a foreign country).

• Rhymes for aboard

Word Origin & Etymology

From Middle English 'abord', originally a nautical contraction of the phrase 'on board', combining the Old English prefix 'a-' (meaning 'on') with 'bord' (meaning 'plank' or 'side of a ship').

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Aboard. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/aboard
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