a married person whose children have grown up and left home
WordReference Random House Unabridged Dictionary of American English © 2025
emp′ty nest′er,
- a parent whose child or children have reached adulthood and moved away from home.
- empty nest + -er1
Collins Concise English Dictionary © HarperCollins Publishers::
'empty nester' also found in these entries (note: many are not synonyms or translations):