horizon

1. 1.

   the line at which the sky and Earth appear to meet

   Synonymsapparent horizonvisible horizonsensible horizonskyline

   Broaderline

   Part ofperspective
2. 2.

   the range of interest or activity that can be anticipated

   “It is beyond the horizon of present knowledge”

   Synonymsviewpurview

   Broaderscope
3. 3.

   a specific layer or stratum of soil or subsoil in a vertical cross section of land

   Broaderstratum

   Narrowersoil horizongeological horizon

   Part ofprofile
4. 4.

   the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth

   Synonymscelestial horizon

   Broadergreat circle

Other forms of horizon

plural

horizons·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about horizon

What does horizon mean?

horizon means "the line at which the sky and Earth appear to meet". That is the primary sense; the word has 4 in total, listed in full on this page.

How many syllables are in horizon?

horizon has 3 syllables: ho-ri-zon. The stress falls on "ri". In IPA it is /hɚˈaɪzən/.

What is another word for horizon?

Close synonyms include apparent horizon, visible horizon, sensible horizon, skyline, view. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is horizon a common word?

horizon is banded "Common" — everyday vocabulary in speech and writing. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.