Base Definition

bās
based, baser, bases, basest, basing
noun
bases
The lowest or bottom part.
The base of a cliff; the base of a lamp.
American Heritage
The thing or part on which something rests; lowest part or bottom; foundation.
Webster's New World
The fundamental or main part, as of a plan, organization, system, theory, etc.; specif., the most loyal supporters of a political candidate or party, a sports team, etc.
Webster's New World
The principal or essential ingredient, or the one serving as a vehicle.
Paint with an oil base.
Webster's New World
A supporting part or layer; a foundation.
A skyscraper built on a base of solid rock.
American Heritage
Antonyms:
adjective
baser, basest
Forming or serving as a base.
A base layer of soil.
American Heritage
Forming a base.
Webster's New World
Situated at or near the base or bottom.
A base camp for the mountain climbers.
American Heritage
Having or showing little or no honor, courage, or decency; mean; ignoble; contemptible.
A base coward, base ingratitude.
Webster's New World
Of, relating to, or containing a base.
American Heritage
verb
based, bases, basing
To form or provide a base for.
Based the new company in Portland.
American Heritage
To make or form a base or foundation for.
Webster's New World
To find a basis for; establish.
Based her conclusions on the report; a film based on a best-selling novel.
American Heritage
To put or rest (on) as a base or basis.
To base a guess on past experience.
Webster's New World
To assign to a base; station.
Troops based in the Middle East.
American Heritage
abbreviation
Building, Antenna-tower, Span, Earth.
Wiktionary
idiom
off base
  • Badly mistaken.
American Heritage
off base
  • not touching the base
  • taking a position or attitude that is unsound or in error
Webster's New World
on base
  • at a base, having reached it safely with a base hit, walk, etc.
Webster's New World
touch all the bases
  • to deal with all related details
Webster's New World
touch base
  • to be in communication or contact
Webster's New World

Other Word Forms of Base

Noun

Singular:
base
Plural:
bases1

Adjective

Base Form:
base
Comparative:
baser
Superlative:
basest

Idioms, Phrasal Verbs Related to Base

Origin of Base

  • Middle English from Old French from Latin basis from Greek gwā- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Middle English bas low from Old French from Medieval Latin bassus

    From American Heritage Dictionary of the English Language, 5th Edition

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