Another word for significant
Significant (adjective): important enough to have noticeable effect, meaning, or influence. Below are 26 synonyms across 4 senses. Tap a chip for its nuance and an example.
Most formal: material, statistically significant, eminentStrongest: momentous, consequential, substantial
28 synonyms shown
Important · adjective
worthy of attention; having real consequence
Statistically meaningful · adjective
large enough to be unlikely due to chance
Noteworthy size · adjective
considerable in amount, degree, or extent
Socially important · adjective
having high status or implying special attention
Find the right strength and register
Drag the amber target to how strong and how formal you need the word to be. The three closest synonyms light up.
You asked for: equal strength, neutral register
- important — General, direct equivalent with broad use
- meaningful — Stresses real value or purpose
- notable — Highlights noticeability more than impact
The dashed ring marks “significant” itself: neutral strength, neutral register.
Synonyms for significant in your sentence
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How to choose
Choose the synonym that matches both sense and register: a word like important fits almost anywhere, while material, consequential, or statistically significant sound more technical or formal. Avoid using significant as a vague filler when you mean simply large, notable, or important; the best substitute depends on whether you mean impact, size, evidence, or status.
Antonyms of significant
- unimportant
- insignificant
- minor
- trivial
- immaterial
- irrelevant
All synonyms at a glance
| Synonym | Strength | Formality | Best for |
|---|---|---|---|
| important | 3/5 | neutral | academic, business, casual |
| notable | 3/5 | formal | academic, business, creative |
| consequential | 4/5 | formal | academic, business |
| substantial | 4/5 | neutral | academic, business |
| meaningful | 3/5 | neutral | academic, business, casual |
| momentous | 5/5 | formal | academic, creative |
| weighty | 4/5 | formal | academic, creative |
| material | 3/5 | academic | academic, business |
| statistically significant | 3/5 | academic | academic |
| real | 2/5 | neutral | academic, business, casual |
| reliable | 3/5 | neutral | academic, business |
| measurable | 2/5 | neutral | academic, business |
| clear-cut | 2/5 | casual | business, casual |
| conclusive | 4/5 | formal | academic, business |
| pronounced | 4/5 | formal | academic, business |
| considerable | 3/5 | neutral | academic, business, casual |
| marked | 3/5 | formal | academic, business |
| appreciable | 2/5 | formal | academic, business |
| sizeable | 3/5 | neutral | business, casual |
| large | 2/5 | casual | casual, business |
| considerable-sized | 3/5 | casual | casual |
| distinguished | 3/5 | formal | academic, business, creative |
| prominent | 3/5 | formal | academic, business, creative |
| eminent | 4/5 | academic | academic, business, creative |
| leading | 3/5 | neutral | academic, business, casual |
| respected | 2/5 | neutral | academic, business, casual |
Questions about synonyms for significant
What is the most formal or academic synonym for significant?
In academic or technical writing, material and consequential are often the most formal alternatives, depending on whether you mean relevance or impact. For statistics, statistically significant is the exact term when a result is unlikely due to chance.
What is a stronger word than significant?
Momentous, consequential, and weighty are stronger choices when you want to emphasize serious importance or far-reaching effects. For sheer size or degree, substantial is usually stronger than significant.
What is a milder alternative to significant?
Notable, marked, or appreciable are often milder, depending on context. They suggest something worth noticing without always implying major importance.