Fantastic vs That'd be swell

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

Fantastic

Top 2,000 (common)A1adjective

That'd be swell

InformalTop 5,000 (fairly common)
Most formal: FantasticMost common: Fantastic
 FantasticThat'd be swell
Pronunciation🇬🇧 /["/fænˈtæstɪk/"]/🇺🇸 /["/fænˈtæstɪk/"]/🇬🇧 //ðætəd bi: swɛl//🇺🇸 //ðætəd bi: swɛl//
MeaningReally great or awesome.That would be great.
ExampleThe movie was absolutely fantastic and I enjoyed every moment of it.Getting that promotion? That'd be swell!
RegisterNeutralInformal
How commonTop 2,000 (common)Top 5,000 (fairly common)
CEFR levelA1-
Part of speechadjective
Collocationsbe, feel, look, really, truly, utterly, be, look, seem, ratherthat'd be great, that'd be awesome, that'd be cool
Antonymsterrible, awful, bad-
Common mistakesUsing 'fantastic' to describe negative things, which is incorrect., Mixing up 'fantastic' with 'fantastical', which means imaginary or whimsical., Think it's only for extraordinary situations; it can also be used for nice, everyday experiences.Overuse in serious conversations where a formal tone is required., Using the word 'swell' in a negative context.
Usage notesUse 'fantastic' in everyday conversation to express that something is very good. It's appropriate for most contexts but can feel overly enthusiastic in formal writing.Used in casual conversations to express enthusiasm or approval. Avoid in formal settings.

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Fantastic
That'd be swell

Frequently asked questions: Fantastic vs That'd be swell

What's the difference between Fantastic and That'd be swell?

Fantastic: Really great or awesome. That'd be swell: That would be great.

Which is more formal: Fantastic and That'd be swell?

Fantastic is the most formal of these.

Which is more common: Fantastic and That'd be swell?

Fantastic is the most common in everyday English.

Can you show an example of each?

Fantastic: The movie was absolutely fantastic and I enjoyed every moment of it. That'd be swell: Getting that promotion? That'd be swell!

Can I use Fantastic and That'd be swell interchangeably?

Not always. Fantastic and That'd be swell 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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