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Synonyms

lifer

American  
[lahy-fer] / ˈlaɪ fər /

noun

Slang.
  1. a person sentenced to or serving a term of life imprisonment.

  2. a person committed to a professional lifetime career in the military.

  3. a person who has devoted a lifetime to a profession, occupation, or pursuit.

  4. (in birding)

    1. Also called life bird.  a species of bird not seen previously and that will therefore be added to the bird watcher's life list.

    2. the sighting of a bird of a previously unseen species.

      It seems like forever since I've had a lifer!


lifer British  
/ ˈlaɪfə /

noun

  1. informal a prisoner sentenced to life imprisonment

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of lifer

First recorded in 1820–30; life + -er 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Onstage as on your phone, Dylan was searching for new limits Wednesday — a lifer grinding toward the sublime.

From Los Angeles Times • Jun. 19, 2026

Looney, a BP lifer, ended up forgoing as much as $40.6 million in deferred bonuses, salary, pension and other compensation that might have come his way.

From The Wall Street Journal • May 29, 2026

"I know I'm a football fan and a Wrexham lifer because I'm inconsolable when we lose," said Reynolds.

From BBC • Feb. 12, 2026

Snead is a scouting and player personnel lifer but also something of a renaissance man.

From Los Angeles Times • Jan. 25, 2026

Whether or not she had it planned at the time, Mary Jackson was on her way to becoming a Langley lifer.

From "Hidden Figures" by Margot Lee Shetterly

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