Commonly Confused Words

Defuse vs. Diffuse

1 min read

Defuse and diffuse sound very similar, but their meanings are completely different. One is about reducing danger or tension, and the other is about spreading something out.

Defuse

Defuse means to make a dangerous or tense situation safer. Originally, it meant removing a fuse from a bomb — now it’s also used metaphorically.

The police managed to defuse the bomb.
She tried to defuse the argument before it got worse.
A joke can sometimes defuse tension in a meeting.

Diffuse

Diffuse means to spread something out over a wide area. It can describe light, sound, smell, or ideas.

The sunlight was diffused by the clouds.
The scent of flowers slowly diffused through the room.
The message was diffused across social media.

💡 Tip

De-fuse = remove the fuse → make something less dangerous.
Diffuse = spread out → like a diffuser that spreads scent.

Test your knowledge 📝

Question 1 sur 8Score: 0/8

The mediator helped ___ the tension in the room.

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Commonly Confused Words

Defuse vs. Diffuse

1 min read

Defuse and diffuse sound very similar, but their meanings are completely different. One is about reducing danger or tension, and the other is about spreading something out.

Defuse

Defuse means to make a dangerous or tense situation safer. Originally, it meant removing a fuse from a bomb — now it’s also used metaphorically.

The police managed to defuse the bomb.
She tried to defuse the argument before it got worse.
A joke can sometimes defuse tension in a meeting.

Diffuse

Diffuse means to spread something out over a wide area. It can describe light, sound, smell, or ideas.

The sunlight was diffused by the clouds.
The scent of flowers slowly diffused through the room.
The message was diffused across social media.

💡 Tip

De-fuse = remove the fuse → make something less dangerous.
Diffuse = spread out → like a diffuser that spreads scent.

Test your knowledge 📝

Question 1 sur 8Score: 0/8

The mediator helped ___ the tension in the room.

Discover the app: Shaky English

Join 100,000 people who are improving their English skills on the Shaky English app

Other similar rules

Conjugation

In / On / At for time

In, on, and at are prepositions of time. They are used to talk about when something happens. The difference depends on how specific the time is. At → exact time Use at for precise moments. At 3 p...

Common confusions

“Different from” vs. “Different than”

A bit of theory

Is 'data' singular or plural?

Conjugation

Articles with Abstract Nouns

Common confusions

I.e. vs. E.g.

Common confusions

Borrow vs. Lend

Common mistakes

Stop / Remember / Forget / Try + gerund vs. infinitive

Some verbs can be followed by either -ing (gerund) or to + verb (infinitive), but the meaning changes. The most important ones at B2/C1 level are stop, remember, forget, and try. 1. Stop Stop + -...

Conjugation