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thus spectrum feat tyrant den

thus

thus W1 /ðʌs/ adverb formal

  1. [sentence adverb] as a result of something that you have just mentioned
    • Most of the evidence was destroyed in the fire. Thus it would be almost impossible prove him guilty
  2. in this manner or way
    • They diluted the drug, thus reducing its effectiveness
  3. thus far until now
    • Her political career thus far had remained unblemished.

spectrum

spec·trum /ˈspektrəm/ noun (plural spectra /-trə/) [countable]

  1. a complete range of opinions, people, situations etc, going from one extreme to its opposite
    • spectrum of
      • the ethnic spectrum of America
    • across the spectrum
      • The bill drew support from across the political spectrum
    • broad/wide/full etc spectrum
      • a broad spectrum of environmental groups
      • The two articles here represent opposite ends of the spectrum
  2. the set of bands of coloured light into which a beam of light separates when it is passed through a PRISM
  3. a complete range of radio, sound etc waves
    • the electromagnetic spectrum

feat

feat /fiːt/ noun [countable]

something that is an impressive achievement, because it needs a lot of skills, strength etc to do

  • remarkable/considerable/incredible etc feat
    • They climbed the mountain in 28 days, a remarkable feat
  • feat of
    • an incredible feat of engineering
  • perform/accomplish/achieve a feat
    • the woman who performed the feat of sailing around the world alone
  • no mean feat (=something that is difficult to do)
    • It is no mean feat to perform such a difficult piece

tyrant

ty·rant /ˈtaɪərənt $ ˈtaɪr-/ noun [countable]

  1. a ruler who has complete power and uses it in a cruel and unfair way
    • The country had long been ruled by tyrants
  2. someone who has power over other people, and uses it cruelly or unfairly
    • My headmaster was a real tyrant

den

den /den/ noun [countable]

  1. the home of some animals, for example lions or foxes
  2. a place where secret or illegal activities take place
    • corrupt gambling dens
    • a den of thieves
  3. an enclosed and secret place where children play
  4. especially American English a room in a house where people relax, watch television etc
  5. British English old-fashioned a small room in a house where people can work, read etc without being interrupted
    • Father retreated to his den
  6. den of iniquity a place where activities that you think are immoral or evil happen - often used humorously
    • Her mother was convinced that London was a den of iniquity.