leave in the lurch
- abandonLeave behind permanently
- desertTo leave behind completely
- forsakeAbandon completely
- betrayViolate a trust
- strandThin fiber piece
ditch · bail · neglect · high and dry · helpless · stranded · desperate · trust · broken · alone · vulnerable · crisis · emergency · disappear · vanish · flee · escape · coward
reliability and support
leave in the lurchstand by
Remain ready to assist
come through · be there for · have someone's back · stick by · support
commitment fulfillment
leave in the lurchfollow through
Complete an intended action
keep one's word · deliver · see it through · come good · make good on