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

See also: unexpected

• chromo
• chromoblastomycosis
• chromogen
• chromogenic
• chromolithograph
• chromolithography
• chromophore
• chromoplast
• chromosomal
• chromosomal aberration
• chromosomal anomaly
• chromosomal mutation
• chromosome
• chromosome mapping
• chromosonal disorder
• chromosphere
• chromospheric
• chromous
• chron-
• chronic
• chronic bronchitis
• chronic eczema
• chronic fatigue syndrome
• chronic gastritis
• chronic glaucoma