What is the meaning of stressed?

verb

• To stress, single out as important.
  • usage: "Dr. Jones emphasizes exercise in addition to a change in diet"
  • synonyms: stress, emphasize, emphasise, punctuate, accent, accentuate
• Put stress on; utter with an accent.
  • usage: "In Farsi, you accent the last syllable of each word"
  • synonyms: stress, accent, accentuate
• Test the limits of.
  • usage: "You are trying my patience"
  • synonyms: try, strain, stress

adjective

• Suffering severe physical strain or distress.
  • usage: "he dropped out of the race, clearly distressed and having difficulty breathing"
  • synonyms: distressed
• Bearing a stress or accent.
  • usage: "an iambic foot consists of an unstressed syllable followed by a stressed syllable as in `delay'"
  • synonyms: accented