IPA: /ˈdʒɪltər/
KK: /ˈdʒɪltər/
A person who suddenly ends a romantic relationship with someone, often in a cruel or unkind way.
She was heartbroken when her boyfriend became a jilter and left her without any explanation.
The word 'jilter' originates from the Old English 'gieldan', meaning to pay or to yield. It refers to someone who yields or gives up, often in a context of abandoning a commitment or responsibility.
Think of someone who 'yields' or 'gives up' on a commitment — that's what a jilter does.