Secure, assured, assured, absolute, as sure as eggs is eggs, confident, and firm are all synonyms for sure. Uncertain and doubtful are antonyms of sure. And here are 93 another word for sure.
1. certain
2. confident
3. unquestionable
4. guaranteed
5. firm
The adjective "sure" has a variety of synonyms that differ in length. 3 synonyms with 4 letters, 6 synonyms with 5 letters, 6 synonyms with 6 letters, 12 synonyms with 7 letters, 10 synonyms with 8 letters, 11 synonyms with 9 letters, 9 synonyms with 10 letters, 13 synonyms with 11 letters, 7 synonyms with 12 letters, 4 synonyms with 13 letters, 3 synonyms with 14 letters, 1 synonym with 16 letters, 1 synonym with 17 letters, and 1 synonym with 18 letters, for a total of 87 synonyms for sure.
I'm sure this will work.
Are you sure about that?
She's sure of her decision.
Make sure to call him.
| Word | Opposites | Synonyms |
|---|---|---|
| Survey | Ignore, overlook | Look at, look over |
| Surreal | Realistic, ordinary | Unreal, bizarre |
| Insecure | Confident, assured | Unconfident, lacking confidence |
| Measure | Fall short, fall short of | Take the measurements of, calculate |
| Surge | Decline, recession | Gush, rush |
| Mature | Immature, growing, adolescent | Adult, grown-up |
| Picture | Reality, actuality | Painting, drawing |
| Treasure | Worthlessness, junk | Riches, valuables |
| Obscure | Famous, renowned | Unclear, uncertain |
| Infrastructure | Dismantling, disorganization | Framework, foundation |
| Venture | Retreat, withdraw | Travel, journey |
| Ensure | Neglect, ignore | Make sure, make certain |
| Surround | Isolate, remove | Neighbouring, nearby |
| Surrounding | Isolated, distant | Encircling, encompassing |
| Unsure | Confident, assertive, decided, happy, convinced | Unconfident, not confident |
| Absurd | Reasonable, sensible | Preposterous, ridiculous |
| Pure | Impure, adulterated | Unmixed, unalloyed |
| Procedure | Chaos, disorder | Course of action, line of action |
| Pressure | Relief, ease | Coercion, force |
| Feature | Flaw, defect | Characteristic, attribute |
| Adventure | Routine, stagnation | Exploit, escapade |
| Failure | Success, achievement | Lack of success, non-success |
| With pleasure | Displeasure, sorrow, pain | Gladly, willingly |
| Pleasure | Pain, misery | Happiness, delight |
| Structure | Chaos, disorder | Construction, form |
| Culture | Barbarism, ignorance | The arts, the humanities |
| Nature | Artificial, urban | The natural world, the living world |
| Surprise | Unsurprising, predictable | Shock, bolt from/out of the blue |
| Future | Past, present | Time to come, time ahead |
| Insurance | Endangerment, harm | Indemnity, indemnification |