निर्बल sound of pronunciation

निर्बल in English：tender; infirm; inform; unsound; weak; poor; feckless; sleazy; unstressed; emaciated; atonic; unaccented; forceless; effete; low-powered; pale; decrepit; small; faint; feeble; flimsy; helpless; incapable; invertebrate; languid; nerveless; slack; slender; slight; slim; paralytic; adynamic; asthenic; debilitated; enervated; weaken