middle-aged

Adjective

middle-aged (comparative more middle-aged, superlative most middle-aged)

1. (not comparable) Of or relating to middle age or a middle-ager; neither old nor young.
   • The person of interest is a middle-aged man seen acting strangely in the security camera's video.
   • The admirable M. Leibnitz, a German, but a member of the Royal Society, scarce yet middle aged.1676, Rigaud, quoting Collins, Corr. Sci. Men, volume II, published 1841, page 453
2. (comparable) Characteristic of middle-aged people.
   • Well, perhaps that beige-on-beige color scheme may be a little middle-aged for a young artist's apartment; a little repainting won't hurt anything.
   • Cowper was really mad at intervals, but his poetry, admirable as it is in its own middle-aged way, is in need of anything rather than a strait-waistcoat.1886, Lowell, Gray, in Latest Lit. Ess., published 1891, page 2
3. (not comparable, obsolete) Belonging to the Middle Ages; medieval.
   • The reading and perusing of middle-ag’d Antiquities.1710, Hearne, Collect. (O.H.S.), volume III, page 49
   • Of the modern and middle-aged Greek.1804, Mitford, Inquiry, page 318