Tout à coup vs Tout d’un coup
Both tout à coup and tout d’un coup translate as “suddenly,” but they are not always interchangeable. Understanding the nuance will make your French sound natural.
You can download a PDF of this lesson guide in my private French Grammar Library.
1. Tout à coup – Suddenly / all of a sudden
Use tout à coup for events that happen unexpectedly and often dramatically. It’s common in storytelling or when describing surprising moments.
Examples:
- Tout à coup, le chat a sauté sur la table.
- Suddenly, the cat jumped on the table.
- Il faisait sombre et tout à coup une lumière s’est allumée.
- It was dark, and all of a sudden a light turned on.
- Elle marchait tranquillement, et tout à coup elle a entendu un cri.
- She was walking quietly, and suddenly she heard a scream.
Think of tout à coup as highlighting the element of surprise in the moment.
2. Tout d’un coup – All at once / in one go
Use tout d’un coup when referring to multiple actions or things happening at the same time. It emphasizes simultaneity more than suddenness.
Examples:
- Les enfants sont arrivés tout d’un coup.
- The children all arrived at once.
- Il a tout pris tout d’un coup.
- He took everything all at once.
- Les invités ont commencé à parler tout d’un coup.
- The guests all started talking at the same time.
Think of tout d’un coup as “everything happening together,” not just suddenly.
3. Simple way to remember
- Tout à coup – Sudden event, surprising moment
- Tout d’un coup – Multiple things happening simultaneously
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