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Adjective base has 7 senses
  1. basal, base - serving as or forming a base; "the painter applied a base coat followed by two finishing coats"
    Antonyms: incidental, incident (indirect, via basic)
  2. base - (used of metals) consisting of or alloyed with inferior metal; "base coins of aluminum"; "a base metal"
    superior (indirect, via inferior)
  3. base, baseborn, humble, lowly - of low birth or station (`base' is archaic in this sense); "baseborn wretches with dirty faces"; "of humble (or lowly) birth"
    Antonym: noble (indirect, via lowborn)
  4. base, dishonorable, dishonourable, immoral, unethical - 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"
    Antonym: right (indirect, via wrong)
  5. base, mean, meanspirited - 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"
    Antonym: noble (indirect, via ignoble)
  6. base, baseborn - illegitimate
    Antonym: legitimate (indirect, via illegitimate)
  7. base - debased; not genuine; "an attempt to eliminate the base coinage"
    genuine, echt (indirect, via counterfeit)
Noun base has 19 senses
  1. base, alkali - 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"
    --1 is a kind of compound, chemical compound
    --1 has particulars:
     pyridine; purine; purine; imidazole, iminazole, glyoxaline; melamine, cyanuramide; pyrimidine
    Derived forms: verb base2, verb basify1
  2. base, base of operations - installation from which a military force initiates operations; "the attack wiped out our forward bases"
    --2 is a kind of military installation
    --2 has particulars:
     air base, air station; army base; firebase; navy base; rocket base
    Derived form: verb base3
  3. foundation, base, fundament, foot, groundwork, substructure, understructure - lowest support of a structure; "it was built on a base of solid rock"; "he stood at the foot of the tower"
    --3 is a kind of support
    --3 is a part of structure, construction
    --3 has particulars: bed; raft foundation
  4. base, bag - place that runner must touch before scoring; "he scrambled to get back to the bag"
    --4 is a kind of baseball equipment
    --4 is a part of baseball diamond, diamond, infield
    --4 has particulars:
     first base; home plate, home base, home, plate; second base; third base, third
  5. base, radix - (numeration system) the positive integer that is equivalent to one in the next higher counting place; "10 is the radix of the decimal system"
    --5 is a kind of number
  6. base - the bottom or lowest part; "the base of the mountain"
    --6 is a kind of
    part, piece
  7. base - (anatomy) the part of an organ nearest its point of attachment; "the base of the skull"
    --7 is a kind of
  8. floor, base - a lower limit; "the government established a wage floor"
    --8 is a kind of control
    --8 has particulars: price floor; wage floor
  9. basis, base, foundation, fundament, groundwork, cornerstone - the fundamental assumptions from which something is begun or developed or calculated or explained; "the whole argument rested on a basis of conjecture"
    --9 is a kind of assumption, supposition, supposal
    --9 is a part of explanation
    --9 has particulars: meat and potatoes
    Derived form: verb base1
  10. base, pedestal, stand - a support or foundation; "the base of the lamp"
    --10 is a kind of support
    --10 has particulars: brass monkey; staddle; trivet; trivet
  11. base - the bottom side of a geometric figure from which the altitude can be constructed; "the base of the triangle"
    --11 is a kind of
  12. basis, base - the most important or necessary part of something; "the basis of this drink is orange juice"
    --12 is a kind of part, portion, component part, component
  13. base, home - the place where you are stationed and from which missions start and end
    --13 is a kind of location
    Derived form: verb base3
  14. al-Qaeda, Qaeda, al-Qa'ida, al-Qaida, Base - an intensely anti-western terrorist network that dispenses money and logistical support and training to a wide variety of radical Islamic terrorist group; has cells in more than 50 countries
    --14 is a kind of terrorist organization, terrorist group, foreign terrorist organization, FTO
  15. root, root word, base, stem, theme, radical - (linguistics) the form of a word after all affixes are removed; "thematic vowels are part of the stem"
    --15 is a kind of form, word form, signifier, descriptor
  16. infrastructure, base - the stock of basic facilities and capital equipment needed for the functioning of a country or area; "the industrial base of Japan"
    --16 is a kind of store, stock, fund
    --16 has parts:
     communication system, communication equipment; fire station, firehouse; gas system; main; penal institution, penal facility; power system, power grid, grid; public works; school system; sewage system, sewer system, sewage works; transportation system, transportation, transit; water system, water supply, water
  17. base - 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"
    --17 is a kind of
    Derived form: verb base2
  18. base - a flat bottom on which something is intended to sit; "a tub should sit on its own base"
    --18 is a kind of
    bottom, underside, undersurface
    --18 is a part of vessel; box; lamp
  19. base - (electronics) the part of a transistor that separates the emitter from the collector
    --19 is a kind of
    --19 is a part of transistor, junction transistor, electronic transistor
Verb base has 3 senses
  1. establish, base, ground, found - use as a basis for; found on; "base a claim on some observation"
    Derived form: noun base9
    Sample sentence:
    Somebody ----s something PP
  2. free-base, base - use (purified cocaine) by burning it and inhaling the fumes
    --2 is one way to drug, do drugs
    Derived forms: noun base1, noun base17
    Sample sentences:
    Somebody ----s
    Somebody ----s something
  3. station, post, base, send, place - assign to a station
    --3 is one way to move, displace
    Derived forms: noun base2, noun base13
    Sample sentence:
    Somebody ----s somebody PP
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