indefatigable, tireless, unflagging, unwearying
(adjective) showing sustained enthusiastic action with unflagging vitality; “an indefatigable advocate of equal rights”; “a tireless worker”; “unflagging pursuit of excellence”
Source: WordNet® 3.1
indefatigable (comparative more indefatigable, superlative most indefatigable)
Extremely persistent and untiring.
Synonyms: inexhaustible, relentless, tireless, unflagging, unsinkable, untiring, unwearying
Antonym: defatigable (much less common)
Source: Wiktionary
In`de*fat"i*ga*ble, a. Etym: [L. indefatigabilis: cf. OF. indefatigable. See In- not, and Defatigable, and cf. Infatigable.]
Definition: Incapable of being fatigued; not readily exhausted; unremitting in labor or effort; untiring; unwearying; not yielding to fatigue; as, indefatigable exertions, perseverance, application. "A constant, indefatigable attendance." South. Upborne with indefatigable wings. Milton.
Syn.
– Unwearied; untiring; persevering; persistent.
Source: Webster’s Unabridged Dictionary 1913 Edition
12 June 2025
(noun) a decrease in the density of something; “a sound wave causes periodic rarefactions in its medium”
Contrary to popular belief, coffee beans are not technically beans. They are referred to as such because of their resemblance to legumes. A coffee bean is a seed of the Coffea plant and the source for coffee. It is the pit inside the red or purple fruit, often referred to as a cherry. Just like ordinary cherries, the coffee fruit is also a so-called stone fruit.
