accessorial

adjective

ac·​ces·​so·​ri·​al ˌak-sə-ˈsȯr-ē-əl 

1

: of or relating to an accessory

accessorial liability

2

: of, relating to, or constituting an accession : supplementary

accessorial services

Synonyms

• accessory
• appurtenant
• auxiliary
• peripheral
• supplemental
• supplementary

Examples of accessorial in a Sentence

an accessorial service, such as packing, will add substantially to the moving company's basic fee

Recent Examples on the Web

If accessorial or conspiracy charges plausibly can be lodged against those people, they should be prosecuted to the full extent of the law. —Andrew Clark, Indianapolis Star, 25 Jan. 2018

Word History

Etymology

accessory entry 1 + -al entry 1

First Known Use

1726, in the meaning defined at sense 1

Legal Definition

accessorial

adjective

ac·​ces·​so·​ri·​al ˌak-sə-ˈsōr-ē-əl 

1

: of or relating to an accessory

accessorial acts

2

: of lesser importance

the principal has the principal or primary duty and the surety an accessorial or a secondary duty

—Restatement of Security