• (RP) IPA: /ˈmɒsɡɹəʊn/
• (GA) IPA: /ˈmɔsˌɡɹoʊn/

moss-grown

1. Having a covering#Noun|covering of growing#Adjective|growing moss.

   Synonyms: moss-covered, mossy

   • c. 1597, [William Shakespeare], The History of Henrie the Fovrth; […], quarto edition, London: Printed by P[eter] S[hort] for Andrew Wise, […], published 1598, OCLC 932916628 ↗, [Act III, scene i] ↗:

     Diſeaſed nature oftentimes breakes forth, / In ſtrange eruptions, oft the teeming earth / Is with a kind of collicke pincht and vext, / By the impriſoning of vnruly wind / Within her vvombe, vvhich for enlargement ſtriuing / Shakes the old Beldame earth, and topples down / Steeples and moſſegrovvn towers.

   • 1717, Alexander Pope, “Eloisa to Abelard”, in The Works of Mr. Alexander Pope, volume I, London: Printed by W[illiam] Bowyer, for Bernard Lintot, […], OCLC 43265629 ↗, page 424 ↗:

     In theſe lone walls (their days eternal bound) / Theſe moſs-grown domes with ſpiry turrets crown'd, / Where awful arches make a noon-day night, / And the dim windows ſhed a ſolemn light; / Thy eyes diffus'd a reconciling ray, / And gleams of glory brighten'd all the day.

   • 1814 July 6, [Walter Scott], “Castle-building”, in Waverley; or, ’Tis Sixty Years Since. In Three Volumes, volume I, 2nd edition, Edinburgh: Printed by James Ballantyne and Co. for Archibald Constable and Co.; London: Longman, Hurst, Rees, Orme, and Brown, OCLC 277992956 ↗, [https://babel.hathitrust.org/cgi/pt?id=chi.19932200;view=1up;seq=65 page 51]:

     In one spot distinguished by a moss-grown gothic monument, which retained the name of Queen's Standing, Elizabeth herself was said to have pierced seven bucks with her own arrows.

   • 1826, [Mary Shelley], chapter IV, in The Last Man. [...] In Three Volumes, volume III, London: Henry Colburn, […], OCLC 230675575 ↗, page 111 ↗:

     [A]ll these objects were as well known to me as the cold hearth of my deserted home, and every moss-grown wall and plot of orchard ground, alike as twin lambs are to each other in a stranger's eye, yet to my accustomed gaze bore differences, distinction, and a name.

2. (figuratively) Old; old-fashioned, out of date.

   Synonyms: antiquated, Thesaurus:old

• German: bemoost
• Italian: muschiato
• Russian: замше́лый