IPA: //ʌnˈhæsp//
KK: /ʌnˈhæsp/
To open or release something that is fastened or secured.
She decided to unhasp the latch to open the door.
Past: unhasped
Past Participle: unhasped
Unhasp → It is formed from "un-" (meaning not) and "hasp" (from Old English "hæsp", meaning a fastening or clasp). The word "unhasp" means to remove or undo a fastening or clasp.
Think of 'not' ('un-') having a 'clasp' ('hasp') — that's why unhasp means to undo a clasp.