D d Word: Dab hand Def: someone who is very good at a particular activity Example: She was a dab hand at tennis and played for her school. Etymology: Dab hand apparently originated as Yorkshire dialect pre-1800, but didn't become widely used in Britain until the 1950s.
Word: Dash cam Def: a camera that is attached to a car's dashboardin order to record what is happening on the road that the car is driving along Example: Dash cams can record your journey and provide invaluable evidence in any driving incidents. Etymology: The earliest known use of the noun dashcam is in the 1990s. OED's earliest evidence for dashcam is from 1998, in New York Times Magazine. dashcam is formed within English, by compounding.
Word: Dubios Def: thought not to be completelytrue or not able to be trusted Example: He has been associated with some dubious characters. Etymology: comes from the Latin verb dubare, meaning “to hesitate in choice of opinions or courses,” which in turn shares roots with the Latin word duo, meaning “two.”
Word: Din Def: a loud, unpleasantconfusednoise that lasts for a long time Example: The children were making a terrible din. Etymology: First recorded before 900; Middle English din(e) (noun), Old English dyne, dynn; cognate with Old Norse dynr “noise,” Old High German tuni,Sanskrit dhuni “roaring”
Word: Dogged Def: very determined to continue doing something, or trying to do something, even when this is difficult or takes a longtime Example: She was a dogged advocate of the struggle against injustice. Etymology: From Middle English dogged, doggid, doggyd (“characteristics similar to that of a dog”), equivalent to dog + -ed.