palmiest

Adjective

palmy (comparative palmier, superlative palmiest)

1. Of, related to, or abounding in palm trees.
   • From Greenland’s icy mountains,
     From India’s coral strand,
     Where Afric’s sunny fountains
     Roll down their golden sand;
     From many an ancient river,
     From many a palmy plain,
     They call us to deliver
     Their land from error’s chain.1819, Reginald Heber, The Missionary Hymn
2. (figuratively) Prosperous, flourishing, booming or thriving.
   • Elliston was, in his day, the Napoleon of Drury Lane; but, like the conqueror at Austerlitz, he suffered his declensions, and the Surrey became to him a Saint Helena. However, once an eagle always an eagle; and Robert William was no less aquiline in the day of adversity than in his palmy time of...1832, The London Spy, volume 2, page 292
3. (obsolete) Made out of palm leaves or palm sap.

See all 4 meanings of palmy