1. base, base of operations, military installation

usage: installation from which a military force initiates operations; "the attack wiped out our forward bases"

2. foundation, base, fundament, foot, groundwork, substructure, understructure, support

usage: lowest support of a structure; "it was built on a base of solid rock"; "he stood at the foot of the tower"

3. base, bag, baseball equipment

usage: a place that the runner must touch before scoring; "he scrambled to get back to the bag"

4. base, part, piece

usage: the bottom or lowest part; "the base of the mountain"

5. base, bottom

usage: (anatomy) the part of an organ nearest its point of attachment; "the base of the skull"

6. floor, base, control

usage: a lower limit; "the government established a wage floor"

7. basis, base, foundation, fundament, groundwork, cornerstone, assumption, supposition, supposal

usage: the fundamental assumptions from which something is begun or developed or calculated or explained; "the whole argument rested on a basis of conjecture"

8. base, pedestal, stand, support

usage: a support or foundation; "the base of the lamp"

9. nucleotide, base, ester

usage: a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)

10. base, alkali, compound, chemical compound

usage: any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water; "bases include oxides and hydroxides of metals and ammonia"

11. base, flank

usage: the bottom side of a geometric figure from which the altitude can be constructed; "the base of the triangle"

12. basis, base, part, portion, component part, component, constituent

usage: the most important or necessary part of something; "the basis of this drink is orange juice"

13. base, radix, number

usage: (numeration system) the positive integer that is equivalent to one in the next higher counting place; "10 is the radix of the decimal system"

14. base, home, location

usage: the place where you are stationed and from which missions start and end

15. al-Qaeda, Qaeda, al-Qa'ida, al-Qaida, Base

usage: a terrorist network intensely opposed to the United States that dispenses money and logistical support and training to a wide variety of radical Islamic terrorist groups; has cells in more than 50 countries

16. root, root word, base, stem, theme, radical, form, word form, signifier, descriptor

usage: (linguistics) the form of a word after all affixes are removed; "thematic vowels are part of the stem"

17. infrastructure, base, store, stock, fund

usage: the stock of basic facilities and capital equipment needed for the functioning of a country or area; "the industrial base of Japan"

18. base, ingredient

usage: the principal ingredient of a mixture; "glycerinated gelatin is used as a base for many ointments"; "he told the painter that he wanted a yellow base with just a hint of green"; "everything she cooked seemed to have rice as the base"

19. base, bottom, underside, undersurface

usage: a flat bottom on which something is intended to sit; "a tub should sit on its own base"

20. base, electrode

usage: (electronics) the part of a transistor that separates the emitter from the collector


1. establish, base, ground, found

usage: use as a basis for; found on; "base a claim on some observation"

2. base, situate, locate

usage: situate as a center of operations; "we will base this project in the new lab"

3. free-base, base, drug, do drugs

usage: use (purified cocaine) by burning it and inhaling the fumes


1. basal, base, basic (vs. incidental)

usage: serving as or forming a base; "the painter applied a base coat followed by two finishing coats"

2. base, baseborn, humble, lowly, lowborn (vs. noble)

usage: of low birth or station (`base' is archaic in this sense); "baseborn wretches with dirty faces"; "of humble (or lowly) birth"

3. base, inferior (vs. superior)

usage: (used of metals) consisting of or alloyed with inferior metal; "base coins of aluminum"; "a base metal"

4. base, immoral, wrong (vs. right)

usage: not adhering to ethical or moral principles; "base and unpatriotic motives"; "a base, degrading way of life"; "cheating is dishonorable"; "they considered colonialism immoral"; "unethical practices in handling public funds"

5. base, mean, meanspirited, ignoble (vs. noble)

usage: having or showing an ignoble lack of honor or morality; "that liberal obedience without which your army would be a base rabble"- Edmund Burke; "taking a mean advantage"; "chok'd with ambition of the meaner sort"- Shakespeare; "something essentially vulgar and meanspirited in politics"

6. base, baseborn, illegitimate (vs. legitimate)

usage: illegitimate

7. base, counterfeit (vs. genuine), imitative

usage: debased; not genuine; "an attempt to eliminate the base coinage"

WordNet 3.0 Copyright © 2006 by Princeton University.
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See also: base (Dictionary)