V2 Vocabulary Building Dictionary



Definition: 1. assisting or helping; 2. acting as a subsidiary; 3. supplementing or backing up

Synonyms: supplementary, supportive, assisting, ancillary, secondary, subsidiary, back-up

Antonyms: primary

Tips: In nautical terminology, auxiliary refers to a sailing vessel that has a motor for back-up power, in addition to its sails. Use auxiliary as a more sophisticated way of describing anything or anyone that is added to a situation for support. Something or someone auxiliary is not primary, but secondary and supportive.

Usage Examples:

When there was a problem with the main power source, we had to rely on auxiliary power. (secondary, back-up)

Classes on the auxiliary branches of campus are often less crowded and just as well instructed. (subsidiary)

Our business receives so much mail that we had to get an auxiliary mail box to hold it all. (supplementary, secondary)

We'll need an auxiliary support team to finish this job, because we just can't do it alone. (assisting, supportive)

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