अर्थ : Without warning or announcement.
उदाहरण :
They arrived unannounced.
A totally unheralded telegram that his daughter...died last night.
पर्यायवाची : unheralded, unpredicted
Unannounced ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Unannounced ka matlab kya hota hai?