renege
break one's word
retract
keep
fainaigue
come through
walk back
break one's promise
eat the leek
cut bait
vow
mispromise
profess
bark up the wrong tree
owe
pike
walk back the cat
wrongdo
punk
waive
step forward
welsh
withdraw
turn over
cut someone loose
plight
unsay
write checks one can't cash
render
hold up one's end
pick a lane
take back
swallow
cap
keep back
throw something in someone's face
swear down
decommit
abnegate
pass one's word
repose
restitute
win over
let in
cross my heart and hope to die
prevaricate
restore
kick
stubborn up
bull
repromise
outpromise
assure
lose oneself
put one's hand up
engage
turn in
promise the moon
fall back
bail
put one’s hands up
promise
boof
confess
lead on
fess up
concede
disappoint
pull one's head in
stipulate
backreact
swear on a stack of Bibles