Definition of senility
: the quality or state of being senile : the physical and mental decline associated with old age; especially : the deterioration of cognitive functioning associated with old age
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Examples of senility in a Sentence
with his increasing senility, Granddad is beginning to have more and more senior moments
Recent Examples of senility from the Web
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André’s ego is too large and impregnable to be deflated by senility.
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I was inclined to dismiss his fractious behavior as the first sign of senility.
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Few ideas in biology have been more fixed than the doctrine that people are born with a finite number of brain cells and go downhill from there, neuronwise, all the way to senility.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'senility'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of senility
1791
Medical Dictionary
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See words that rhyme with senility Thesaurus: All synonyms and antonyms for senility Spanish Central: Translation of senility Nglish: Translation of senility for Spanish speakers Britannica English: Translation of senility for Arabic speakers
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