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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
1660s; borrowed from French sénile, from Middle French senile, from Old French senile, from Latin senīlis (“of or pertaining to old age”), from senex (“old man”), ultimately from Proto-Indo-European *sénos (“old”).
doddering, doddery, gaga
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Classic usage
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