1. So unexpected as to have not been imagined
   "an unhoped-for piece of luck"
   - unhoped, unthought, unthought-of

See also: unexpected

• catastrophic
• catastrophic illness
• catastrophically
• catastrophism
• catatonia
• catatonic
• catatonic schizophrenia
• catatonic type schizophrenia
• Catawba
• catbird
• catboat
• catbrier
• catcall
• catch
• catch a glimpse
• catch a wink
• catch cold
• catch crop
• catch fire
• catch it
• catch on
• catch one's breath
• catch out
• catch sight
• catch some Z's