Match the words from the box with the definitions. Then press "Check" to mark your answers.
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  1. [noun] one who controls functions, operations, or activities, as of machines or businesses.
  2. [adjective] disastrous; calamitous.
  3. [adjective] having or emitting moderate heat.
  4. [noun] a piece of paper, often folded, that contains printed information or advertisements and is usually distributed free of charge.
  5. [adjective] moving steadily forward or onward; advancing.
  6. [adjective] of, concerning, or employing sound.
  7. [adjective] fitting the practical or social requirements of the situation; seemly; suitable.
  8. [noun] an alphabetical listing of subjects, names, specialized terms, and the like in a book, with page numbers given for each item indicating where these items are mentioned or discussed in the book.
  9. [intransitive verb] to devote one's attentions to a specific pursuit or field of study.
  10. [noun] extraordinary power of intellect, especially as shown in artistic or scientific work.