French Phrase
Utilise moins d'énergie.
Meaning
A direct, informal command meaning “Use less energy.” It is typically used to encourage someone to adopt more sustainable habits, such as turning off lights, reducing heating, or limiting the use of electronic devices.
When to use
Use this phrase when giving advice about energy conservation at home, in the office, or during environmental campaigns. It works well in informal conversations with friends, family, or colleagues. For a formal or plural audience, switch to the formal imperative “Utilisez moins d'énergie.”
✦Grammar Breakdown
Utilisemoinsd'énergie.
Imperative (tu) – Utilise
The verb “utiliser” in the second‑person singular imperative drops the final “s” (tu utilises → utilise).
Quantifier – moins
“Moins” means “less” and is placed before the noun it modifies.
Elision – d'
The preposition “de” elides to “d'” before a vowel‑starting noun (énergie).
Noun – énergie
A feminine noun; the article is omitted in this imperative construction.
🗨In Conversation
Nous devons réduire notre facture d'électricité.
We need to lower our electricity bill.
Oui, utilise moins d'énergie en éteignant les lumières quand tu sors.
Yes, use less energy by turning off the lights when you leave.
✕Common Mistakes
Utilisez moins d'énergie.
“Utilisez” is the formal/plural imperative. Using it with a single friend sounds overly formal.
Utilise plus d'énergie.
“Plus” means “more”. Learners often swap “moins” and “plus”.
Utilise moins de énergie.
The liaison is required; saying “de énergie” without the liaison sounds unnatural.
↔Alternatives
Consomme moins d'énergie.
Consume less energy.
Économise de l'énergie.
Save energy.
Réduis ta consommation d'énergie.
Reduce your energy consumption.
Cultural Tip
In French the imperative “utilise” is the informal singular form. If you’re speaking to a group, a stranger, or someone you want to address politely, use the formal plural “utilisez”. The phrase is common in French sustainability campaigns, posters, and government guidelines, so you’ll often see it alongside icons of light switches or eco‑labels.