しかく四角shikakui
1.

Describes an object that has four equal sides and right angles, resembling the geometric shape known as a square.

2.

Refers to a shape that is four-sided, with a flat, even surface and straight edges, creating a rectangular appearance.

3.

Indicates the quality of having a four-cornered outline, often associated with the measurements and angles found in geometric figures.

Example:

必要なのは四角いテーブルで、円卓ではない。

しかく四角shikaku
1.

A geometric shape characterized by having four corners and straight edges, commonly represented by figures such as squares and rectangles.

2.

Describing a person's demeanor or attitude as overly serious or rigid, often demonstrating a lack of flexibility or openness in thought or behavior.

3.

Pertaining to a space or object that bears a four-cornered shape, such as a square table or square face.

4.

Signifying a formal or precise nature in conduct or mannerisms, suggesting a strict adherence to rules or conventions, resulting in a stifling or overly formal atmosphere.

Example:

箱の形は普通四角です。

しかくけい四角形shikakukeiしかっけい四角形shikakkei
1.

A flat geometric shape bounded by four straight lines, known for having four corners and four sides.

2.

A specific type of polygon classified by the number of its sides, which is exactly four, making it distinct from other shapes with differing side counts.

3.

A two-dimensional figure characterized by the connection of four points in a plane, forming a closed shape that can vary in angles and side lengths but always maintains the property of having four edges.

4.

An essential building block in geometry, often used in various applications related to spatial arrangement, area calculation, and architecture due to its simple yet versatile structure.

ましかく真四角mashikaku
1.

Describing an object or figure that has four equal sides and four right angles, embodying the characteristics of a square shape.

2.

Referring to a form or appearance that resembles a perfect square, often used to emphasize symmetry and uniformity in dimensions.

3.

Indicating the quality of having an exact square shape, where all aspects are proportionally equal and balanced.

しかくしめん四角四面shikakushimen
1.

Describes a characteristic that is perfectly square in shape, having four equal sides and right angles.

2.

Refers to a demeanor or attitude that is overly serious, rigid, or conventional, lacking flexibility or spontaneity in behavior or thought.

3.

Indicates a meticulous and proper approach to conduct, often perceived as overly formal or stilted.