Also found in: Thesaurus.
1. Not occurring regularly; occasional or rare: an infrequent guest.
2. Situated or placed at rather wide intervals, as in time or space: infrequent oases in the desert.
in·fre′quence, in·fre′quen·cy n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.