Discard vs Forget about that

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

Discard

Top 3,000 (common)C1verb

Forget about that

InformalTop 2,000 (common)
Most formal: DiscardMost common: Forget about that
 DiscardForget about that
Pronunciation🇬🇧 //dɪsˈkɑːd//🇺🇸 //dɪsˈkɑrd//🇬🇧 //fərˈɡɛt əˈbaʊt ðæt//🇺🇸 //fərˈɡɛt əˈbaʊt ðæt//
MeaningTo throw something away or get rid of it.Don't think about that anymore.
ExamplePlease discard any items that are damaged.You should just forget about that mistake and move on.
RegisterNeutralInformal
How commonTop 3,000 (common)Top 2,000 (common)
CEFR levelC1-
Part of speechverb
Collocationsdiscard a plan, discard evidence, discard old habitsforget about the past, forget about that error, forget about it
Antonymskeep, retain, preserve-
Common mistakesConfuse with 'dispose of' which has similar meaning but is more formal., Use 'discard' incorrectly with non-physical items, like feelings., Misuse the tense; should be 'discarded' in past forms.Using 'forget' without 'about' in a sentence., Confusing it with 'don't worry about that' - they imply different feelings., Using it in overly formal contexts.
Usage notesUse 'discard' when talking about getting rid of things that are no longer wanted or needed. It's appropriate in both formal and informal contexts.Used in casual conversations to dismiss or move on from a topic. Not appropriate for formal situations.

See it in real clips

Forget about that

Frequently asked questions: Discard vs Forget about that

What's the difference between Discard and Forget about that?

Discard: To throw something away or get rid of it. Forget about that: Don't think about that anymore.

Which is more formal: Discard and Forget about that?

Discard is the most formal of these.

Which is more common: Discard and Forget about that?

Forget about that is the most common in everyday English.

Can you show an example of each?

Discard: Please discard any items that are damaged. Forget about that: You should just forget about that mistake and move on.

Can I use Discard and Forget about that interchangeably?

Not always. Discard and Forget about that 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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