senile

[ see-nahyl, -nil, sen-ahyl ]

/ ˈsi naɪl, -nɪl, ˈsɛn aɪl /

SEE SYNONYMS FOR senile ON THESAURUS.COM

adjective

showing a decline or deterioration of physical strength or mental functioning, especially short-term memory and alertness, as a result of old age or disease.

of or belonging to old age or aged persons; gerontological; geriatric.

Physical Geography. (of topographical features) having been reduced by erosion to a featureless plain that stands everywhere at base level.Compare peneplain.

noun

a senile person.

Origin of senile

1655–65; <Latin senīlis old, equivalent to sen(ex) old man (akin to senior) + -īlis-ile

OTHER WORDS FROM senile

un·se·nile, adjective

Words nearby senile

sengi, Sengstaken-Blakemore tube, senhor, senhora, senhorita, senile, senile amyloidosis, senile arteriosclerosis, senile cataract, senile dementia, senile elastosis

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for senile

His expression had been senile, his face imprinted with the record of debauchery.
The Bell in the Fog and Other Stories|Gertrude Atherton
Mr. Knickerbocker was staring about the room, gazing at the women with open effrontery, and a senile leer upon his face.
Frenzied Fiction|Stephen Leacock
Age softens some hard characters, but in John Wynne the early development of senile dementia deprived him of this chance.
Hugh Wynne, Free Quaker|S. Weir Mitchell
The thickened condition of the arteries leading to senile gangrene must be thought of and proven in aged subjects.
Surgery, with Special Reference to Podiatry|Maximilian Stern

The change was due, not to senile impotence alone, but also to an acquired sense of something better and truer.
A Family of Noblemen|Mikhal Saltykov

British Dictionary definitions for senile

senile

/ (ˈsiːnaɪl) /

adjective

of, relating to, or characteristic of old age

mentally or physically weak or infirm on account of old age

(of land forms or rivers) at an advanced stage in the cycle of erosionSee old (def. 18)

Derived forms of senile

senilely, adverbsenility (sɪˈnɪlɪtɪ), noun

Word Origin for senile

C17: from Latin senīlis, from senex an old man

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

Medical definitions for senile

senile

[ sē′nīl′, sĕn′īl′ ]

adj.

Relating to, characteristic of, or resulting from old age.

Exhibiting the symptoms of senility, as impaired memory or the inability to perform certain mental tasks.

单词	senile
释义	senile [ see-nahyl, -nil, sen-ahyl ] / ˈsi naɪl, -nɪl, ˈsɛn aɪl / SEE SYNONYMS FOR senile ON THESAURUS.COM adjective showing a decline or deterioration of physical strength or mental functioning, especially short-term memory and alertness, as a result of old age or disease. of or belonging to old age or aged persons; gerontological; geriatric. Physical Geography. (of topographical features) having been reduced by erosion to a featureless plain that stands everywhere at base level.Compare peneplain. noun a senile person. Origin of senile 1655–65; <Latin senīlis old, equivalent to sen(ex) old man (akin to senior) + -īlis-ile OTHER WORDS FROM senile un·se·nile, adjective Words nearby senile sengi, Sengstaken-Blakemore tube, senhor, senhora, senhorita, senile, senile amyloidosis, senile arteriosclerosis, senile cataract, senile dementia, senile elastosis Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for senile His expression had been senile, his face imprinted with the record of debauchery. The Bell in the Fog and Other Stories\|Gertrude Atherton Mr. Knickerbocker was staring about the room, gazing at the women with open effrontery, and a senile leer upon his face. Frenzied Fiction\|Stephen Leacock Age softens some hard characters, but in John Wynne the early development of senile dementia deprived him of this chance. Hugh Wynne, Free Quaker\|S. Weir Mitchell The thickened condition of the arteries leading to senile gangrene must be thought of and proven in aged subjects. Surgery, with Special Reference to Podiatry\|Maximilian Stern The change was due, not to senile impotence alone, but also to an acquired sense of something better and truer. A Family of Noblemen\|Mikhal Saltykov British Dictionary definitions for senile senile / (ˈsiːnaɪl) / adjective of, relating to, or characteristic of old age mentally or physically weak or infirm on account of old age (of land forms or rivers) at an advanced stage in the cycle of erosionSee old (def. 18) Derived forms of senile senilely, adverbsenility (sɪˈnɪlɪtɪ), noun Word Origin for senile C17: from Latin senīlis, from senex an old man 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 Words related to senile aged, ancient, decrepit, doddering, doting, feeble, imbecile, infirm, old, sick, weak, anile, enfeebled, senescent, shattered Medical definitions for senile senile [ sē′nīl′, sĕn′īl′ ] adj. Relating to, characteristic of, or resulting from old age. Exhibiting the symptoms of senility, as impaired memory or the inability to perform certain mental tasks. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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senile

adjective

noun

Origin of senile

OTHER WORDS FROM senile

Words nearby senile

Example sentences from the Web for senile

British Dictionary definitions for senile

adjective

Derived forms of senile

Word Origin for senile

Words related to senile

Medical definitions for senile

adj.