A triangle is a flat shape with three straight sides.
What does Shape mean?
A shape is the form or outline of something; shape can also mean to form it.
Dictionary definition
The form or outline of an object or geometric figure; as a verb, to shape means to form or influence something.
Shape in a sentence
The artist used clay to shape a small bowl.
Experiences can shape how a person thinks about a problem.
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Practice the meaning of Shape
Answer three quick questions about its meaning and related words.
What is a shape in geometry?
Geometric shapes are classified by their defining features.
What does shape mean in “Practice shaped her skills”?
As a verb, shape can mean influence how something develops.
Which statement correctly compares shape and size?
Shape describes form; size describes dimensions or amount of space.
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Shape
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Words like Shape
Does Shape have an opposite?
Shape has form, condition, formation, and influence senses but no direct antonym. Shapeless describes a lack of definite form and is a useful morphological contrast, not an opposite for every sense.
Want to practice shape synonyms in context? Try a Synonym Search question like "The shape was a triangle," then compare close word choices. Practice shape synonyms.
Shape word family
shape
shapes
More than one form or figure.
shaped
Having a particular form.
shaping
Forming or influencing something.
shapeless
Without a clear or definite shape.
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Understand Shape
Shape tells the form. Size tells how big. A flat 2D shape and a solid 3D shape have different kinds of features.
Shape and size are not the same. Also, a square is a 2D shape, while a cube is a 3D solid—not simply a “3D square.”
Sort classroom objects or cards by defining features: curves, straight sides, angles, faces, edges, and vertices. Explain why each item belongs in its group.
Compare a drawn square, a larger square, and a cube. Ask which share a shape, which differ in size, and which are 2D or 3D.

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