Synonyms of 'leave someone in the lurch'
▷ See lurch
You wouldn't leave an old friend in the lurch, surely?
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If you abandon a place, thing, or person, you leave the place, thing, or person permanently or for a long time, especially when you should not do so.
He claimed that his parents had abandoned him.
If someone deserts you, they go away and leave you, and no longer help or support you.
Her husband deserted her years ago.
Thesaurus for leave someone in the lurch from the Collins English Thesaurus
If someone leaves you in the lurch , they go away or stop helping you at a very difficult time.