Having a secondary, supplementary or subordinate function by accompanying as a subordinate; aiding in a secondary way; being additional; contributing or being contributory. Said of things and actions, very rarely of people (and then usually in a humorous version of the legal sense [or due to confusion between the noun and the adjective]).

Something that belongs to part of another main thing; something additional and subordinate, an attachment. / (fashion) An article that completes one's basic outfit, such as a scarf or gloves.

The state of being accessory, or connected subordinately.

Of or pertaining to an accessory, e.g. to a crime. / Of or relating to an accession. / (logistics) Assessorial.

(logistics) An assessorial charge.

plural of accessory

plural of accessorial

(rare) In such a way as to be an accessory; in an auxiliary manner, additionally.

A manner of breathing in an organism that supplements or temporarily replaces the principal manner of breathing.

Any nonexpendable equipment that has been fixed in place or attached to a craft, vehicle or other equipment, but which may be detached without impairing the item removed or affecting the basic function of the object to which it is fastened.