Adjective used has 3 senses
  1. used - employed in accomplishing something; "the principle of surprise is the most used and misused of all the principles of war"- H.H.Arnold & I.C.Eaker
    misused, abused, exploited, ill-used, put-upon, used, victimized, victimised
  2. exploited, ill-used, put-upon, used, victimized, victimised - of persons; taken advantage of; "after going out of his way to help his friend get the job he felt not appreciated but used"
    Antonym: used (indirect, via misused)
  3. secondhand, used - previously used or owned by another; "bought a secondhand (or used) car"
    Antonym: new (indirect, via old)
,Verb use has 6 senses
  1. use, utilize, utilise, apply, employ - put into service; make work or employ (something) for a particular purpose or for its inherent or natural purpose; "use your head!"; "we only use Spanish at home"; "I can't make use of this tool"; "Apply a magnetic field here"; "This thinking was applied to many projects"; "How do you utilize this tool?"; "I apply this rule to get good results"; "use the plastic bags to store the food"; "He doesn't know how to use a computer"
    Derived forms: noun use1, noun user1, noun usage1
    Sample sentence:
    They use the animals
  2. use, habituate - take or consume (regularly or habitually); "She uses drugs rarely"
    --2 is one way to consume, ingest, take in, take, have
    Derived forms: noun use1, noun user3
    Sample sentence:
    Somebody ----s something
  3. use - seek or achieve an end by using to one's advantage; "She uses her influential friends to get jobs"; "The president's wife used her good connections"
    --3 is one way to
    exploit, work
    Derived forms: noun use7, noun user2, noun using1
    Sample sentence:
    They use him to write the letter
  4. use, expend - use up, consume fully; "The legislature expended its time on school questions"
    Derived form: noun use4
    Sample sentence:
    They use the money
  5. practice, apply, use - avail oneself to; "apply a principle"; "practice a religion"; "use care when going down the stairs"; "use your common sense"; "practice non-violent resistance"
    Derived forms: noun use2, noun usance3
    Sample sentence:
    Somebody ----s something
  6. use - habitually do something (use only in the past tense); "She used to call her mother every week but now she calls only occasionally"; "I used to get sick when I ate in that dining hall"; "They used to vacation in the Bahamas"
    --6 is one way to
    act, move
    Derived form: noun usage2
    Sample sentence:
    Somebody ----s to INFINITIVE