1. Without warning or announcement
   "a totally unheralded telegram that his daughter...died last night"
   - unannounced, unpredicted

See also: unexpected

• Chlamydiaceae
• chlamydial
• Chlamydomonadaceae
• Chlamydomonas
• Chlamydosaurus
• Chlamydosaurus kingi
• chlamydospore
• chlamyphore
• Chlamyphorus
• Chlamyphorus truncatus
• chlamys
• chloasma
• Chloe Anthony Wofford
• Chlor-Trimeton
• chloral
• chloral hydrate
• chlorambucil
• chloramine
• chloramine-T
• chloramphenicol
• Chloranthaceae
• Chloranthus
• chlorate
• chlordiazepoxide
• chlorella