Synonyms for sure
Another word for sure is certain, positive or confident. Below are 29 synonyms across 10 senses, with antonyms.
Also searched as: surer, surest.
1. adjective: having or feeling no doubt or uncertainty; confident and assured
- certain synonyms
- positive synonyms
- confident synonyms
- convinced synonyms
Antonyms
- unsure synonyms
2. adjective: exercising or taking care great enough to bring assurance
- certain synonyms
- careful synonyms
3. adjective: certain to occur; destined or inevitable
- certain synonyms
- in for
- bound synonyms
- destined synonyms
- doomed synonyms
- predictable synonyms
- fated
- predestined
- foreordained
- predestinate
4. adjective: physically secure or dependable
- secure synonyms
5. adjective: reliable in operation or effect
- certain synonyms
- reliable synonyms
- dependable synonyms
6. adjective: (of persons) worthy of trust or confidence
- trusted
- trustworthy synonyms
- trusty synonyms
7. adjective: infallible or unfailing
8. adjective: certain not to fail
- steady synonyms
9. adjective: impossible to doubt or dispute
- indisputable
- certain synonyms
10. adverb: definitely or positively (‘sure’ is sometimes used informally for ‘surely’)
- for sure synonyms
- sure enough synonyms
- for certain synonyms
- certainly synonyms
- sure as shooting synonyms
- surely synonyms
Sure in word games
- Letters
- 4
- Scrabble
- 4
- Words With Friends
- 5
- How common
- Everyday word
- Unscramble SURE
- Is SURE a word?
- Words starting with S
Questions people ask
What is another word for sure?
You can say certain, positive, confident, convinced or careful instead of sure. Which one fits depends on the sense; the first sense above means "having or feeling no doubt or uncertainty; confident and assured".
What is the opposite of sure?
The opposite of sure is unsure.
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Senses and synonyms from Open English WordNet (CC BY 4.0); the most common words come first. Browse more on the synonyms and antonyms hub.