What is the meaning of smothered?

verb

• Envelop completely.
  • usage: "smother the meat in gravy"
  • synonyms: smother, surround
• Deprive of oxygen and prevent from breathing.
  • usage: "Othello smothered Desdemona with a pillow"; "The child suffocated herself with a plastic bag that the parents had left on the floor"
  • synonyms: smother, asphyxiate, suffocate
• Conceal or hide.
  • usage: "smother a yawn"; "muffle one's anger"; "strangle a yawn"
  • synonyms: smother, stifle, strangle, muffle, repress
• Form an impenetrable cover over.
  • usage: "the butter cream smothered the cake"
  • synonyms: smother
• Deprive of the oxygen necessary for combustion.
  • usage: "smother fires"
  • synonyms: smother, put out

adjective

• Held in check with difficulty.
  • usage: "a smothered cough"; "a stifled yawn"; "a strangled scream"; "suppressed laughter"
  • synonyms: stifled, strangled, suppressed
• Completely covered.
  • usage: "bonnets smothered with flowers"; "smothered chicken is chicken cooked in a seasoned gravy"