At last vs In the end vs Ultimately

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

At last

Top 2,000 (common)

In the end

Top 2,000 (common)

Ultimately

Top 2,000 (common)B2adverb
 At lastIn the endUltimately
Pronunciation🇬🇧 //ət lɑːst//🇺🇸 //ət læst//🇬🇧 //ɪn ði ɛnd//🇺🇸 //ɪn ði ɛnd//🇬🇧 /["/ˈʌltɪmətli/"]/🇺🇸 /["/ˈʌltɪmətli/"]/
MeaningFinally after a long time waiting.Finally or at the conclusion.In the end; finally.
ExampleI finished my project, and at last, I can relax.In the end, we decided to go with the original plan.A poor diet will **ultimately lead to** illness.
RegisterNeutralNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)Top 2,000 (common)
CEFR level--B2
Part of speechadverb
Collocationsat last, a resolution, at last, the moment, at last, the truthin the end result, in the end decision, in the end analysisultimately responsible, ultimately decide, ultimately lead to
Antonyms--initially, first, at the beginning
Common mistakesConfusing with 'at least'; they have different meanings., Using in very formal writing where simpler alternatives may fit better.Using it too early in a sentence., Confusing it with 'at the end' which refers to a specific time rather than a conclusion.'Ultimately' is often misused when the context is not about finality., Learners may confuse 'ultimately' with 'eventually' but they are not exactly the same., Overusing 'ultimately' in casual speech can sound pretentious.
Usage notesUse 'at last' to express relief or joy when something finally happens. It's neutral and works in both spoken and written contexts.Use in storytelling or when summarizing. It connects ideas and indicates the final outcome; avoid in formal writing.Use 'ultimately' to emphasize the final outcome of a situation. It is not suitable for casual or informal conversations.

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At last
In the end

Frequently asked questions: At last vs In the end vs Ultimately

What's the difference between At last, In the end, and Ultimately?

At last: Finally after a long time waiting. In the end: Finally or at the conclusion. Ultimately: In the end; finally.

Can you show an example of each?

At last: I finished my project, and at last, I can relax. In the end: In the end, we decided to go with the original plan. Ultimately: A poor diet will **ultimately lead to** illness.

Can I use At last, In the end, and Ultimately interchangeably?

Not always. At last, In the end, and Ultimately 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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