very, quite, considerably, rather / by no means (with negative verb)

the daytime, during the day / a half day, half of a day

inside

underworld (part of society engaged in crime or vice)

the dark, cruel side of a matter or situation / (Star Wars) the dark side of The Force

a historical period where social disorder is so great due to war, disease, political disorder etc. that there is little or no cultural development; Dark Ages

a type of interstellar cloud that is so dense that it obscures light from background stars; a dark nebula

dark matter

Dark Continent

road; way