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Definitions of serious
  1. adjective
    appealing to the mind
    "a serious book"

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  2. adjective
    completely lacking in playfulness

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  3. adjective
    causing fear or anxiety by threatening great harm
    "a serious wound" "a serious turn of events"
  4. adjective
    concerned with work or important matters rather than play or trivialities
    "a serious student of history" "a serious attempt to learn to ski" "gave me a serious look" "a serious young man" "are you serious or joking?" "Don't be so serious!"
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  5. adjective
    of great consequence
    "marriage is a serious matter"

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  6. adjective
    requiring effort or concentration; complex and not easy to answer or solve
    "raised serious objections to the proposal" "the plan has a serious flaw"

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Definition that contains serious
  • exhaustion serious weakening and loss of energy
  • typhoid serious infection marked by intestinal inflammation and ulceration; caused by Salmonella typhosa ingested with food or water
  • chamber music serious music performed by a small group of musicians
  • childbed fever serious form of septicemia contracted by a woman during childbirth or abortion (usually attributable to unsanitary conditions); formerly widespread but now uncommon
  • migratory grasshopper serious pest of grain-growing and range areas of central and western United States
  • puerperal fever serious form of septicemia contracted by a woman during childbirth or abortion (usually attributable to unsanitary conditions); formerly widespread but now uncommon
  • enteric fever serious infection marked by intestinal inflammation and ulceration; caused by Salmonella typhosa ingested with food or water
  • pink disease serious bark disease of many tropical crop trees (coffee, citrus, rubber); branches have a covering of pink hyphae
  • deep water serious trouble
  • debilitation serious weakening and loss of energy
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