Dictionary Entry

horizontal

adjective

Find the meaning of the word horizontal, plus dictionary definition, pronunciation, thesaurus-style synonyms, antonyms, and related vocabulary.

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Meaning

Dictionary meaning in a clear, student-friendly format.

Flat, level, or going straight across, like the horizon.

Example Sentence

The teacher drew a horizontal line across the whiteboard to show the sea level.

Usage Note

Used to describe things that are flat, level, or go straight across, such as a table, a shelf, or a line on a graph. It's the opposite of vertical, which goes up and down.

Synonyms

level flat even straight broad plane

Antonyms

vertical upright perpendicular

Seen In These Lists

This word also appears in ReadingWillow year-level vocabulary lists. Use the matching list pages to study related words in sequence.

Year 3 Word List