A stirring feeling of emotional fervour and energy. Welsh speakers may like to be reassured that hwyl is included here because of its un-English look, not because it’s thought intrinsically odd. It is, of course, a Welsh word, but one that has become widely enough known in British English to be included in most dictionaries, though users often mispronounce it. This is how it was described in Garthowen, by Allen Raine (1900): Will was certainly an eloquent preacher, if not a born orator, and possessed that peculiar gift known in Wales as “hwyl” — a sudden ecstatic inspiration, which carries the speaker away on its wings, supplying him with burning words of eloquence, which in his calmer and normal state ...