14-letter words containing b, i, u, l, o, s
- unquestionably — not open to question; beyond doubt or dispute; indisputable; undeniable; certain: an unquestionable fact.
- unsaponifiable — to convert (a fat) into soap by treating with an alkali.
- whistling buoy — a buoy having a whistle operated by air trapped and compressed in an open-bottomed chamber by the rising and falling water level caused by natural wave action.