Auxiliary vs. Ancillary

Auxiliaryadjective

Helping; giving assistance or support.

Auxiliaryadjective

Supplementary or subsidiary.

Auxiliaryadjective

Held in reserve for exceptional circumstances.

Auxiliaryadjective

(nautical) Of a ship, having both sails and an engine.

Auxiliaryadjective

(grammar) Relating to an auxiliary verb.

Auxiliarynoun

A person or group that acts in an auxiliary manner.

Auxiliarynoun

A sailing vessel equipped with an engine.

Auxiliarynoun

(grammar) An auxiliary verb.

Auxiliarynoun

A marching band colorguard.

Auxiliaryadjective

Conferring aid or help; helping; aiding; assisting; subsidiary; as auxiliary troops.

Auxiliarynoun

A helper; an assistant; a confederate in some action or enterprise.

Auxiliarynoun

Foreign troops in the service of a nation at war; (rarely in sing.), a member of the allied or subsidiary force.

Auxiliarynoun

A verb which helps to form the voices, modes, and tenses of other verbs; - called, also, an auxiliary verb; as, have, be, may, can, do, must, shall, and will, in English; être and avoir, in French; avere and essere, in Italian; estar and haber, in Spanish.

Auxiliarynoun

A quantity introduced for the purpose of simplifying or facilitating some operation, as in equations or trigonometrical formulæ.

Auxiliarynoun

someone who acts as assistant

Auxiliaryadjective

functioning in a subsidiary or supporting capacity;

Auxiliaryadjective

relating to something that is added but is not essential;

Ancillaryadjective

Subordinate; secondary; auxiliary

Ancillarynoun

Something that serves an ancillary function, such as an easel for a painter.

Ancillarynoun

(archaic) An auxiliary.

Ancillaryadjective

Subservient or subordinate, like a handmaid; auxiliary.

Ancillaryadjective

relating to something that is added but is not essential;