Cool MateParallel vs Similar
When to use each in English, with meaning, register, and examples.
Parallel
Top 2,000 (common)B2adjective
Similar
Top 2,000 (common)A1adjective
| Parallel | Similar | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈpærəlel/"]/🇺🇸 /["/ˈpærəlel/"]/ | 🇬🇧 /["/ˈsɪmələ(r)/"]/🇺🇸 /["/ˈsɪmələr/"]/ |
| Meaning | Two lines or things that are the same distance apart and never meet. | Almost the same as something else. |
| Example | parallel lines | These two paintings look very similar to each other. |
| Register | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 2,000 (common) |
| CEFR level | B2 | A1 |
| Part of speech | adjective | adjective |
| Collocations | be, run, exactly, almost, nearly, to, with | be, feel, look, extremely, fairly, very, in, to |
| Antonyms | perpendicular, divergent, intersecting | different, dissimilar |
| Common mistakes | 'Paralel' is a common misspelling., Confusing 'parallel' with 'similar' in less clear contexts., Using 'parallel' where 'perpendicular' is appropriate. | Confused with 'same' — 'similar' means not exactly the same., Incorrectly used for unrelated things., Using 'similar' with more than two items without clarification. |
| Usage notes | Used in both mathematical and everyday contexts. In geometry, 'parallel' refers to lines; in metaphorical speech, it can describe similar situations. Avoid using in overly casual contexts. | Use 'similar' when comparing two or more things that share characteristics. Avoid using it for things that are not closely related. |
Frequently asked questions: Parallel vs Similar
What's the difference between Parallel and Similar?
Parallel: Two lines or things that are the same distance apart and never meet. Similar: Almost the same as something else.
Are Parallel and Similar the same CEFR level?
Parallel: B2, Similar: A1 on the CEFR scale.
Can I use Parallel and Similar interchangeably?
Not always. Parallel and Similar are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.