Vertical: meaning, definitions and examples

Use 'vertical' when describing anything that goes straight up and down, like a line, structure, or position. This term is often used in technical, architectural, or scientific contexts.

• The skyscraper has a vertical design
• The ladder is positioned vertically against the wall

'Upright' is used to describe a position where something is standing up, often referring to people or objects that naturally stand vertically. It can also carry a connotation of being morally good.

• The vase was knocked over but is now upright again
• She sat upright in her chair

Use 'straight' to describe something that has no bends or curves. It is a more general term and can apply to both vertical and horizontal orientations.

• Make sure the picture is hanging straight
• He drew a straight line on the paper

'Plumb' is often used in construction or engineering to describe something that is perfectly vertical, usually achieved with the help of a plumb line or level. It implies precision and accuracy.

• The carpenter ensured the door frame was plumb
• Is that wall plumb?

Use when describing something that stands straight up from the ground or is aligned with the direction of gravity. It is commonly used in geometry and everyday language.

• The skyscraper rises vertical into the sky.
• Draw a vertical line on the paper.

Use when describing two lines or surfaces that meet at a right angle (90 degrees). It is often used in geometry and technical settings.

• The walls are perpendicular to the floor.
• The road intersects the main street at a perpendicular angle.

Use to describe something standing up straight, often implying good posture or moral integrity. Commonly used in everyday language and moral contexts.

• She sat upright in her chair.
• He is known as an upright and honest person.

Use when describing something exactly vertical or true in terms of alignment. This word is often used in construction or carpentry.

• Ensure that the post is plumb before securing it.
• The carpenter used a plumb bob to check the alignment of the wall.