Present in a minor amount, and not essential.
Auxiliary or accessory:
Designating or of any of the noncombat ships, as tankers or tenders, that form the service fleet of a navy
Accompanying or existing in a subordinate, corroborative, or indirect relationship
The definition of subsidiary is something that gives support, something that is secondary in importance or an organizational group that is in a lower organizational position.
Giving or able to give help or support
Find another word for supportive. In this page you can discover 9 synonyms, antonyms, idiomatic expressions, and related words for supportive, like: accessory, ancillary, assistant, auxiliary, collateral, contributory, subsidiary, help and unsupportive.