bluer — the pure color of a clear sky; the primary color between green and violet in the visible spectrum, an effect of light with a wavelength between 450 and 500 nm.
brewer — Brewers are people or companies who make beer.
dewar — Donald. 1937–2000, Scottish Labour politician; secretary of state for Scotland (1997–99); first minister of Scotland (1999–2000)
fewer — not many but more than one: Few artists live luxuriously.