Coup de Foudre: What It Really Means in French

You're watching a French film, two strangers' eyes meet across a crowded café, and the subtitles flash: "It was a coup de foudre." The literal words underneath that translation are stranger than the phrase itself — a coup de foudre is, word for word, a bolt of lightning. Somehow the French decided that falling for someone works exactly like getting struck by one.

That gap between the literal French and the smooth English translation is exactly where this phrase gets useful. Coup de foudre shows up constantly in French film, fiction, and everyday conversation — for a person, but also, confusingly to a new learner, for a house, a city, or a dish you tried once and never forgot. Once you understand the grammar packed into these three small words, you'll use the phrase the way French speakers actually do, not just recognize it in subtitles.

The Literal Meaning: A Bolt of Lightning

Break the phrase into its pieces and the logic snaps into place. Un coup (a blow, a strike, a hit) is one of French's most productive little nouns — it shows up in dozens of set phrases you'll meet later in this post. La foudre (lightning, a lightning bolt) is the flash that splits the sky in a storm. Put them together with de (of), and un coup de foudre is, literally, "a strike of lightning" — French's old image for falling in love just as suddenly.

Key Phrases

• un coup (uñ koo) — a blow, a strike, a hit
• la foudre (lah foo-druh) — lightning, a lightning bolt
• un orage (uñ oh-rahzh) — a thunderstorm
• un coup de foudre (uñ koo duh foo-druh) — love at first sight, literally "a lightning strike"

[AUDIO: un coup de foudre] [AUDIO: la foudre]

Grammar Note

Foudre looks like it could go either way for gender, but the weather phenomenon is feminine: la foudre, une foudre violente (a violent lightning bolt). A rare masculine version of the word covers two narrower jobs: un foudre is an old word for a giant wine cask, and les foudres de quelqu'un (always masculine, always plural) means someone's wrath.

• Common mistake: writing le foudre for the weather phenomenon. Lightning itself is always la foudre, feminine.
• The wine-cask and wrath meanings are the same word, but unrelated idiom families — don't mix them up with the love idiom.

Love at First Sight: Avoir le Coup de Foudre

In its most common use, un coup de foudre names one specific thing: an overwhelming attraction that hits the moment you meet someone, before you've exchanged a word. French doesn't need a whole sentence for this the way English reaches for "love at first sight" — it just says le coup de foudre, and everyone understands exactly what happened.

Key Phrases

• avoir le coup de foudre pour quelqu'un (ah-vwahr luh koo duh foo-druh poor kel-kuh-uñ) — to fall in love at first sight with someone
• C'est le coup de foudre ! (say luh koo duh foo-druh) — It's love at first sight!
• dès le premier regard (deh luh pruh-myay ruh-gar) — from the first glance
• tomber amoureux / amoureuse (tohn-bay ah-moo-ruh / ah-moo-ruhz) — to fall in love (the slower, everyday verb)

[AUDIO: avoir le coup de foudre pour]

Grammar Note

Coup de foudre behaves as a noun, so French reaches for avoir (to have), not a verb of falling. J'ai eu un coup de foudre pour elle (I fell in love with her at first sight) literally reads "I had a lightning strike for her."

• Common mistake: trying to conjugate coup de foudre like a verb. It's always avoir + article + coup de foudre.
• Tomber amoureux/amoureuse describes love that builds over weeks. Save coup de foudre for the instant version.

Beyond Romance: Falling for a Place, a Meal, an Idea

Here's where learners get tripped up watching French media: coup de foudre isn't reserved for people. French speakers use the same phrase for any sudden, powerful attraction — an apartment you walk into and instantly know is yours, a dish you can't stop thinking about, a city that wins you over in a single afternoon.

Key Phrases

• avoir un coup de foudre pour une maison (ah-vwahr uñ koo duh foo-druh poor ewn may-zohn) — to fall instantly in love with a house
• un coup de foudre pour Paris (uñ koo duh foo-druh poor pa-ree) — falling instantly in love with Paris

[AUDIO: un coup de foudre pour Paris]

Coup is one of the busiest little nouns in French, and coup de foudre has plenty of company: un coup de cœur (a heart strike, an instant favorite), un coup de main (a hand strike, a helping hand), and un coup de fil (a "wire strike," a phone call). Learn the pattern as a set and half of casual spoken French starts making sense at a glance. French cinema leaned on the romantic version, too — Diane Kurys titled her acclaimed 1983 film Coup de foudre, released internationally as Entre Nous.

Coup de Foudre vs. Coup de Cœur

These two show up in similar contexts — a restaurant review, a real-estate listing, a friend gushing about a new find — so it's worth telling them apart. Coup de foudre is bigger and closer to obsession; French speakers save it for people or genuinely major discoveries. Coup de cœur is warmer than "like" but milder than coup de foudre — the phrase critics and shop assistants reach for constantly.

Key Phrases

• un coup de cœur (uñ koo duh kuhr) — an instant favorite, a heart-strike
• le coup de cœur du mois (luh koo duh kuhr dew mwah) — this month's pick
• avoir un coup de cœur pour un livre (ah-vwahr uñ koo duh kuhr poor uñ leev-ruh) — to fall instantly for a book

Putting Coup de Foudre to Use

Picture yourself at a friend's dinner party in Lyon, telling everyone about the person you started seeing last month — and the apartment you signed for the same week.

• Friend: "Alors, comment tu l'as rencontré ?" (So, how did you meet him?)
• You: "Honnêtement, ça a été le coup de foudre, dès qu'on s'est regardés." (Honestly, it was love at first sight, the moment we looked at each other.)
• Friend: "Et pour l'appartement, c'est pareil ?" (And with the apartment, same thing?)
• You: "Exactement, un vrai coup de foudre pour cet appart." (Exactly, a real love-at-first-sight for that apartment.)

Practice Exercises

• Fill in the blank: Elle a eu un ___ ___ ___ pour la maison dès qu'elle l'a vue. (love at first sight)
• Translate into French: "It's love at first sight!"
• Multiple choice: Which gender is la foudre (the weather phenomenon)? (a) masculine (b) feminine (c) it changes with the season
• True or false: Coup de foudre can only describe romantic love between two people.
• Fill in the blank: Le coup de ___ du mois is the phrase a bookshop uses for its monthly pick. (cœur / foudre)
• Translate into French: "I fell in love with him at first sight."

Answer Key

• coup de foudre — Elle a eu un coup de foudre pour la maison dès qu'elle l'a vue.
• C'est le coup de foudre !
• (b) feminine — la foudre, though the unrelated masculine un foudre (wine cask) and les foudres (wrath) exist as separate idioms.
• False — coup de foudre works just as well for a place, a meal, or an idea that grabs you instantly.
• cœur — le coup de cœur du mois.
• J'ai eu un coup de foudre pour lui.

A Lightning Bolt Worth Recognizing

• Un coup de foudre literally means "a lightning strike," and French uses it for any sudden, overwhelming attraction — most often love at first sight, but just as often a house, a city, or a dish.
• Reach for avoir le coup de foudre pour when the reaction is instant, and save tomber amoureux/amoureuse for love that builds gradually.
• Don't confuse it with the milder, more everyday coup de cœur, which covers an instant favorite without the romantic intensity.

Next time a French friend describes meeting someone — or falling for an apartment — you'll know exactly what they mean by coup de foudre. For more phrases like it, check out Passage's guide to French Terms of Endearment, or browse Vocabulary for other everyday idioms built from coup de.