swear in

1. 1.

   administer on oath to

   “The speaker of the House swore in the new President”

   Broaderinaugurate

Questions about swear in

What does swear in mean?

swear in means "administer on oath to".

Is swear in a common word?

swear in is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.