on board

1 of 2

phrase

1

: aboard

2

: in support of a particular objective

needed to get more senators on board for the bill to pass

onboard

2 of 2

adjective

on·​board ˈȯn-ˈbȯrd 

ˈän-

: carried within or occurring aboard a vehicle (such as a satellite or an automobile)

an onboard computer

onboard recorders

Examples of on board in a Sentence

Adjective

The car comes with an onboard computer.

Recent Examples on the Web

Phrase

The group placed light detectors called photodiodes on the ground and on board a high-altitude balloon, which collected data on the light patterns before and after totality. — Katie Hunt, CNN Money, 8 Aug. 2026

Video captured by a tourist on board a boat in northern Botswana showed the heart-pounding moment the vessel had to outrun a charging hippo. — Dennis Romero, NBC news, 8 Aug. 2026

Adjective

An operator initially identifies the target, after which the onboard computer autonomously guides the drone during the final phase of flight. — Vikram Mittal, Forbes.com, 9 Aug. 2026

Much like self-driving cars on Earth, Perseverance has sophisticated onboard cameras that image the surrounding terrain, and these images are then processed algorithmically by an onboard computer to calculate the safest route. — Eric Berger, ArsTechnica, 8 Aug. 2026

Word History

First Known Use

Adjective

1958, in the meaning defined above

Rhymes for on board

• abhorred
• aboard
• accord
• adored
• afford
• award
• baseboard
• billboard
• blackboard
• boxboard
• breadboard
• broadsword