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lifesaver

[lahyf-sey-ver] /ˈlaɪfˌseɪ vər/
noun
1.
a person who rescues another from danger of death, especially from drowning.
2.
a person or thing that saves a person, as from a difficult situation or critical moment:
That money was a lifesaver.
3.
Chiefly British. a lifeguard.
Origin
1880-1885
1880-85; life + saver
Related forms
lifesaving, adjective, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Contemporary definitions for life savings
noun

the money a person has saved up over the course of his or her life; all of the money one has saved to date

Examples

You should never risk your life savings by investing it in the stock market.

Word Origin

by 1835

Dictionary.com's 21st Century Lexicon
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Difficulty index for lifesaver

Few English speakers likely know this word

Word Value for life

7
8
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