Firstly vs For one thing

Quand utiliser chacun en anglais, avec le sens, le registre et des exemples.

Firstly

Formel Top 3000 (courant) A2 adverb

For one thing

Top 3000 (courant)

Le plus formel: Firstly

	Firstly	For one thing
Prononciation	🇬🇧 /["/ˈfɜːstli/"]/ 🇺🇸 /["/ˈfɜːrstli/"]/	🇬🇧 //fɔː wʌn θɪŋ// 🇺🇸 //fɔr wʌn θɪŋ//
Sens	At the start of a list or explanation.	One reason or point to consider.
Exemple	There are two reasons for this decision: firstly…	For one thing, it’s cheaper to travel by bus.
Registre	Formel	Neutre
Fréquence	Top 3000 (courant)	Top 3000 (courant)
Niveau CEFR	A2	-
Nature grammaticale	adverb
Collocations	firstly and secondly, firstly then, firstly I would like	for one thing, for one important thing, for one specific thing
Antonymes	lastly, finally	-
Erreurs fréquentes	'Firstly' is not often used in informal contexts., Some learners confuse 'firstly' with 'first,' thinking they can use them interchangeably in all situations., Overusing 'firstly' when listing items can sound overly formal.	Using it without context, making it unclear., Incorrectly following it with unrelated statements., Confusing it with similar phrases like 'for one reason'.
Notes d'usage	Use 'firstly' to introduce the first point in formal writing or speeches. Avoid in casual conversations; 'first' is often preferred instead.	Use this phrase to introduce a reason or point in discussions. It's often used informally but can be appropriate in more serious contexts as well.

Vois-le dans de vrais extraits

Avengers › Avengers Endgame

The Aether, firstly, is not a stone.

The Lord Of The Rings › The Fellowship Of The Ring

Do you know how the Orcs first came into being?

Avengers › Avengers Endgame

The Aether, firstly, is not a stone.

The Lord Of The Rings › The Fellowship Of The Ring

Do you know how the Orcs first came into being?

Firstly

Avengers › Avengers Infinity War

Well, for one thing, I'm not asgardian.

For one thing

Questions fréquentes : Firstly vs For one thing

Quelle est la différence entre Firstly et For one thing ?

Firstly: At the start of a list or explanation. For one thing: One reason or point to consider.

Lequel est le plus formel : Firstly et For one thing ?

Firstly est le plus formel de tous.

Peux-tu montrer un exemple de chacun ?

Firstly: There are two reasons for this decision: firstly… For one thing: For one thing, it’s cheaper to travel by bus.

Puis-je utiliser Firstly et For one thing de façon interchangeable ?

Pas toujours. Firstly et For one thing sont proches et se recoupent parfois, mais elles diffèrent par le registre, la fréquence et l'usage, donc remplacer l'une par l'autre peut changer le sens ou le ton. Regarde les différences ci-dessus avant de substituer.