Attempt vs Effort vs Endeavor

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

Attempt

Top 2,000 (common)B2noun

Effort

Top 1,000 (very common)B1noun

Endeavor

FormalTop 3,000 (common)B1
Most formal: EndeavorMost common: Effort
 AttemptEffortEndeavor
Pronunciation🇬🇧 /["/əˈtempt/"]/🇺🇸 /["/əˈtempt/"]/🇬🇧 /["/ˈefət/"]/🇺🇸 /["/ˈefərt/"]/🇬🇧 //ɪnˈdɛv.ər//🇺🇸 //ɪnˈdɛv.ɚ//
MeaningTo try to do something.The work you put into something to achieve a goal.To try hard to do something.
ExampleHer attempt to climb the mountain was met with several challenges.She put a lot of effort into her painting to make it perfect.We will endeavor to meet the project deadline.
RegisterNeutralNeutralFormal
How commonTop 2,000 (common)Top 1,000 (very common)Top 3,000 (common)
CEFR levelB2B1B1
Part of speechnounnoun
Collocationssuccessful, abortive, botched, make, succeed in, abandon, succeed, fail, in an/​the attempt, attempt at, attempt by, an attempt on somebody’s life, at the first, second, etc. attempt, in the first, second, etc. attempt, successful, abortive, botched, make, succeed in, abandon, succeed, fail, in an/​the attempt, attempt at, attempt by, an attempt on somebody’s life, at the first, second, etc. attempt, in the first, second, etc. attemptambitious, big, enormous, make, initiate, launch, come to nothing, fail, fall flat, in an/​your effort, through somebody’s effort, your best efforts, a reward for your efforts, make every effort, considerable, hard, constant, amount, demand, need, require, go into, with effort, without effort, a great deal of effort, time and effortmake an endeavor, a noble endeavor, personal endeavor
Antonymsabandon, give up, quitlaziness, apathy, indifferenceabandon, give up, stop
Common mistakes'Attempted to' is often confused with 'tried to'., Learners sometimes use 'attempt' without an object, which is incorrect., Confusion between 'attempt' (to try) and 'achieve' (to succeed).Confused with 'effortless'; don't assume effort means easy., Using 'effort' as a verb; it is only a noun., Misplacing 'effort' in a sentence, leading to awkward phrasing.Confused with 'endeavor' vs 'endeavoured'; not all varieties use the British spelling., Using 'endeavor' without stating what is being endeavored., Incorrectly using 'endeavor' in everyday casual speech.
Usage notesUse 'attempt' when referring to trying to achieve something, especially when the outcome is uncertain. It's suitable in both spoken and written contexts but may sound a bit formal in casual conversation.Use in both formal and informal settings. Avoid slang or overly casual contexts when discussing serious topics like work or study.Use in formal contexts, such as academic settings or professional writing. Avoid in casual conversations.

Frequently asked questions: Attempt vs Effort vs Endeavor

What's the difference between Attempt, Effort, and Endeavor?

Attempt: To try to do something. Effort: The work you put into something to achieve a goal. Endeavor: To try hard to do something.

Which is more formal: Attempt, Effort, and Endeavor?

Endeavor is the most formal of these.

Which is more common: Attempt, Effort, and Endeavor?

Effort is the most common in everyday English.

Which is more advanced: Attempt, Effort, and Endeavor?

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

Are Attempt, Effort, and Endeavor the same CEFR level?

Attempt: B2, Effort: B1, Endeavor: B1 on the CEFR scale.

Can you show an example of each?

Attempt: Her attempt to climb the mountain was met with several challenges. Effort: She put a lot of effort into her painting to make it perfect. Endeavor: We will endeavor to meet the project deadline.

Can I use Attempt, Effort, and Endeavor interchangeably?

Not always. Attempt, Effort, and Endeavor 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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