Meaning : Not closed or secured.
Example :
The car door was unfastened.
Unfastened seatbelts.
Meaning : Not buttoned.
Example :
The wind picked up the hem of her unbuttoned coat.
Synonyms : unbuttoned
Unfastened ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Unfastened ka matlab kya hota hai?