adjective

life-changing

LYFE-chayn-jing

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Life-changing (adjective) means having such a strong effect on someone that it permanently alters how they live, think or feel. Example: “The surgery was life-changing; she walked unaided within a month.”

adjective

Having such a strong effect on someone that it permanently alters how they live, think or feel.

"The surgery was life-changing; she walked unaided within a month."

"Winning the scholarship was a life-changing moment for him."

How to use life-changing

Learner’s notes

In plain EnglishSo important that it changes how you live from then on.

When to use it

Neutral but heavily overused in marketing, where it is applied to products that plainly do not change anyone's life. Reserve it for genuine turning points if you want it to carry weight.

Memory tip

Hyphenate before a noun and, in most modern style guides, after the verb too: the trip was life-changing. It works for bad changes as well as good ones, as in a life-changing accident.

Trace the full origin ↓

Easily confused with

life-changing → life-affirming game-changing

Common pairings

life-changing experience life-changing injury life-changing sum of money truly life-changing life-changing decision

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C2 · Advanced serendipity Fortunate discoveries made entirely by accident.

Gen Z slang rizz Charm — the ability to attract a romantic interest.

B2 · Intermediate empathy The capacity to share another person’s feelings.

C1 · Advanced nonchalant Casually calm and relaxed; unconcerned.

Internet slang delulu Delusional — believing something against the odds.

Etymology nostalgia Greek nostos “return home” + algos “pain”.

C2 · Advanced serendipity Fortunate discoveries made entirely by accident.

Gen Z slang rizz Charm — the ability to attract a romantic interest.

B2 · Intermediate empathy The capacity to share another person’s feelings.

C1 · Advanced nonchalant Casually calm and relaxed; unconcerned.

Internet slang delulu Delusional — believing something against the odds.

Etymology nostalgia Greek nostos “return home” + algos “pain”.

Test yourself on “life-changing” A quick quiz — meaning, synonyms & usage →

Fill the gap

Can you complete this real example?

The surgery was _____; she walked unaided within a month.

Etymology

Formed from life and changing.

Synonyms

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transformative momentous pivotal seismic game-changing

Antonyms

trivial inconsequential forgettable

Related words

important key critical massive minor historic fundamental revolutionary

Rhymes for life-changing

banging hanging ranging ganging changing clanging arranging unchanging rearranging

See all rhymes for life-changing →

Frequently asked questions

What is the difference between life-changing and life-affirming?

Life-changing means something alters the course of your life, for better or worse. Life-affirming is always positive and means something renews your appreciation of being alive, without necessarily changing anything.

Can life-changing be negative?

Yes. Life-changing injuries, diagnoses and losses are standard collocations, particularly in legal and medical writing. The word describes the scale of the change, not whether it is welcome.

What is the meaning of life-changing?

"life-changing" (adjective) means having such a strong effect on someone that it permanently alters how they live, think or feel.

What is another word for life-changing?

Other words for "life-changing" include transformative, momentous, pivotal, seismic, game-changing.

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important key critical massive minor historic fundamental revolutionary