Launch vs Start

When to use each in English, with meaning, register, and examples.

Launch

Top 1,000 (very common)B2verb

Start

Top 1,000 (very common)A1verb
 LaunchStart
Pronunciation🇬🇧 /["/lɔːntʃ/","/ˈlɔːntʃɪz/","/lɔːntʃt/","/ˈlɔːntʃɪŋ/"]/🇺🇸 /["/lɔːntʃ/","/ˈlɔːntʃɪz/","/lɔːntʃt/","/ˈlɔːntʃɪŋ/"]/🇬🇧 /["/stɑːt/","/stɑːts/","/ˈstɑːtɪd/","/ˈstɑːtɪŋ/"]/🇺🇸 /["/stɑːrt/","/stɑːrts/","/ˈstɑːrtɪd/","/ˈstɑːrtɪŋ/"]/
MeaningTo start or send something, especially into the air or space.To begin something
ExampleThe company plans to launch a new product next month.Please start the engine before we leave.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelB2A1
Part of speechverbverb
Collocationslaunch a product, launch a campaign, launch into space, launch an initiative, launch a websitesuddenly, immediately, just, decide to, expect to, hope to, as, by, from, get (somebody/​something) started, a good, great, etc. place to start, let’s start, suddenly, immediately, just, decide to, expect to, hope to, as, by, from, get (somebody/​something) started, a good, great, etc. place to start, let’s start
Antonymsland, withdraw, ceasestop, finish, end
Common mistakesConfused with 'lunche' as in a meal., Used incorrectly as a noun when referring to a launch event., Mispronounced or pronounced as 'lunch' instead of 'launch'.Confused with 'begin' — both mean similar things but are used in slightly different contexts., Used as a noun incorrectly — 'start' is mainly a verb., Misplaced in phrasal verbs — it should not be confused with 'start up' in business contexts.
Usage notesUse 'launch' in a business or technological context to describe starting a project or product. It's also appropriate when sending rockets or ships. Avoid using it in overly casual situations.Use 'start' for beginning actions or events. It's appropriate in both speaking and writing, but in formal contexts, you might use 'initiate' instead.

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Start

Frequently asked questions: Launch vs Start

What's the difference between Launch and Start?

Launch: To start or send something, especially into the air or space. Start: To begin something

Which is more advanced: Launch and Start?

Launch is the highest level, at B2, on the CEFR scale.

Are Launch and Start the same CEFR level?

Launch: B2, Start: A1 on the CEFR scale.

What part of speech are Launch and Start?

Launch: verb, Start: verb.

Can you show an example of each?

Launch: The company plans to launch a new product next month. Start: Please start the engine before we leave.

Can I use Launch and Start interchangeably?

Not always. Launch and Start 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.

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