pledge

Related to pledge: Pledge of Allegiance

go back on (one's) pledge

To not do something one said one would do; to renege on something. People are beginning to worry that the governor is going to go back on his pledge and not lower taxes for lower-income families after all. You made a commitment to support our project, and now you've gone back on your pledge!
See also: back, go, on, pledge

sign the pledge

To take an oath to abstain from drinking alcohol forever. My father was a monster to me and my brothers until he signed the pledge in the late '90s. I noticed Janet drinking 7-Up all night. She either signed the pledge, or she's pregnant.
See also: pledge, sign

take the pledge

To take an oath to abstain from drinking alcohol forever. My father was a monster to me and my brothers until he took the pledge about 10 years ago. I noticed Janet drinking 7-Up all night at the party. She's either taken the pledge, or she's pregnant.
See also: pledge, take
Farlex Dictionary of Idioms.

go back on one's word

 and go back on one's promise; go back on one's pledge
to break a promise that one has made. I hate to go back on my word, but I won't pay you $100 afterall. Going back on your promise makes you a liar.
See also: back, go, on, word

pledge something

to someone to promise something to someone. I pledged one hundred dollars to Ralph for his cause. We pledged a lot of money to our favorite charity.

take the pledge

Fig. to promise to abstain from drinking alcohol. I'm not ready to take the pledge yet, but I will cut down. My aunt tried to get me to take the pledge.
See also: pledge, take
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

sign (or take) the pledge

make a solemn undertaking to abstain from alcohol.
See also: pledge, sign
Farlex Partner Idioms Dictionary

sign/take the ˈpledge

(old-fashioned) promise never to drink alcohol: He hasn’t been much fun since he took the pledge.In the nineteenth century there were anti-drinking campaigns, when people were encouraged to sign a promise (= a pledge) never to drink alcohol.
See also: pledge, sign, take
Farlex Partner Idioms Dictionary

take the pledge

tv. to promise to abstain from alcohol. I’m not ready to take the pledge yet, but I will cut down.
See also: pledge, take
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • (one) doesn't give a rip (about something)
  • (one) could use (something)
  • (one) doesn't give a hoot (about something)
  • (one) won't hear of (something)
  • (one) never would have guessed
  • (one's) heart is set on (something)
  • (one) could stand (something)
  • (I) wouldn't (do something) if I were you
  • all right
  • a fast talker
References in periodicals archive
In this treatment, all of the previous information was disclosed with the pledge requests.
One was the pledge's focus on raising awareness rather than actively raising funds.
Stephen Ross: $200 million pledge, University of Michigan
4) I pledge to start pumping iron in the gym alongside the bevy of scary muscled types that gather around the free weights area.
During the pledge, Brown stood off to the side of the raised council dias, facing the flag.
Mr Tshepho Joseph, the author of the pledge said it was created as a more pro-active approach to cultivate and instill a strong commitment to education from grassroots.
Patrick Gallagher Jr., has signed the CEO Action for Diversity & Inclusion pledge, the company announced.
It also stated that the important and popular pledge to implement free nutritious lunch program in all schools is yet to materialize.
The problem becomes a lot more acute, said Joshi, in the case of mid-cap and small companies or where the share of the promoter pledge is more than 80 per cent of the promoter holding.
As of July 1, 2019, the allocation for county transportation bonds will come in the form of capital grants paid from all revenues of the broader TTF, but subordinate to the pledge for the consolidated transportation bonds.
Crunchbase announced today that it has joined corporate philanthropy movement Pledge 1%, dedicated to making the community a key stakeholder in every business, the company said.
Pakatan Harapan's failure to honour its pledge to defer federal student loan repayments for low-income earners is unacceptable, said student groups when rejecting the pact's excuse of weak public finances.
The Commercial Pledge Law was issued in April 2018.
A gym teacher at a middle school in Colorado has been accused of assaulting a student, who refused to stand for the Pledge of Allegiance, reports said Saturday.