plural lifers
informal
1
US
: a person who spends an entire career in the same job
He was a lifer at the factory.
an army lifer
2
: a criminal who has been sentenced to spend the rest of his or her life in prison
lifers seeking parole
Cite this Entry
“Lifer.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/lifer. Accessed 24 Jun. 2026.
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