Meaning & use
pledge vs promise
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Meaning
phrasefixed phrase
A comparison of two words for making a commitment: 'pledge' is formal or public, 'promise' is everyday and personal.
Grammar: Used as a heading or discussion topic; in a sentence, say 'the difference between pledge and promise' or 'pledge vs promise'.
Patterns
- pledge vs promise
- the difference between pledge and promise
- pledge something to someone
- promise someone something
In legal writing, 'pledge' often refers to a formal commitment, while 'promise' can be informal.
The article explained pledge vs promise with clear examples from business and daily life.
She made a pledge to donate monthly, but she only promised to help once.
Common combinations
- make a pledge
- The company made a pledge to reduce waste.
- keep a promise
- He always keeps a promise to his children.
- solemn pledge
- The soldiers took a solemn pledge of loyalty.
- empty promise
- Voters are tired of empty promises.
Synonyms and how they differ
- vow
- A very serious, often religious or emotional promise; stronger and more formal than 'promise' but less institutional than 'pledge'.
- oath
- A formal, often legal or ceremonial promise, such as in court; more official than 'promise'.
- commitment
- A broader noun for dedication or obligation; not a direct verb substitute for either 'pledge' or 'promise'.
Word family
Commonly confused: pledge vs promise or plight?
pledge vs promise vs plight
A difficult situation, not a commitment; 'pledge' sounds similar but means a serious promise.
Practice
Which sentence uses 'pledge' most appropriately?
Choose one answer.
'Pledge' fits formal or public commitments like a government promise. Option An is too casual; option C is not a natural use; option D has a subject-verb agreement error ('he pledge').
Make it your own
Write a sentence using “pledge vs promise”, then check it and compare it with the examples above.