🇬🇧 Acute meaning: English Vocabulary Flash Card

An acute angle is a skinny, pointy angle that opens less than a right angle, which is 90°. If you imagine a big square corner on a piece of paper, any angle that opens less than that corner is acute. It looks sharp and narrow, like a tiny slice of pizza or a very skinny V-shape.

My eyebrows made an acute angle when Mom said, “We’re doing extra math for fun today.”

The slice of cake was cut with such an acute angle that my happiness level became dangerously obtuse.

When I smile for photos, my elbows stick out at funny acute angles, like I’m secretly trying to fly away.

The pizza slice was so tiny that its tip made an acute angle and my hunger made a huge one.

Any triangle where all three angles are less than 90° is called an acute triangle—basically the ‘extra pointy’ member of the triangle family.

Sam drew an acute angle on paper. He held it beside a square's corner and laughed — the acute angle was much smaller than the square's corner. He folded the paper so the acute tip slipped into the box corner. The teacher clapped; the acute wedge fit perfectly and Sam beamed at the acute, tiny point.

This word is at the C2 level, which means it represents the highest mastery of English. It’s often used in specialized or highly formal contexts and helps you communicate with precision and subtlety, much like a native speaker.

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