long in the tooth

Etymology
Possibly from the practice of examining the length of horses’ teeth when estimating their ages: an old horse has long, rectangular incisors, and their occlusion angle is steep. Compare.

Adjective

 * 1)  ; aged.
 * 2) * 2024, Jeremy B. Rudd, A Practical Guide to Macroeconomics, p. 47
 * For those who are interested, Deaton (1992) remains the best (and most readable) single introduction to the empirics of the canonical permanent income model, though it's now a bit long in the tooth.
 * 1) * 2024, Jeremy B. Rudd, A Practical Guide to Macroeconomics, p. 47
 * For those who are interested, Deaton (1992) remains the best (and most readable) single introduction to the empirics of the canonical permanent income model, though it's now a bit long in the tooth.
 * For those who are interested, Deaton (1992) remains the best (and most readable) single introduction to the empirics of the canonical permanent income model, though it's now a bit long in the tooth.

Synonyms

 * ,, ; see also Thesaurus:elderly

Translations

 * Catalan:
 * Finnish:, ,
 * French: ,
 * German:, in die Jahre gekommen
 * Hungarian: benne van a korban
 * Italian:, , in là con gli anni
 * Polish:
 * Portuguese:, , ,  , entradote
 * Russian:, ,
 * Spanish: ,