An example of horizon is the area where the sky and earth appear to merge into one sea of blue.
An example of horizon is a person who has never travelled outside of his own town.
Artifacts associated with the Olmec horizon in Mesoamerica.
Travel broadens one's horizons.
- in the foreseeable future; impending, looming, destined, etc.
Idioms and Phrasal Verbs
Origin of horizon
- Middle English orizon from Old French from Latin horizōn from Greek horizōn (kuklos) limiting (circle), horizon present participle of horizein to limit from horos boundary
From American Heritage Dictionary of the English Language, 5th Edition