1. discover or determine the existence, presence, or fact of

    Synonyms : discover, find, notice, observe
    Type Of : spy, sight
    Examples :
    • She detected high levels of lead in her drinking water


  1. having been demonstrated or verified beyond doubt


  1. corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones

    Synonyms : adulterate, debase, load, stretch
    Type Of : corrupt, spoil
  2. lessen the strength or flavor of a solution or mixture

    Synonyms : cut, reduce, thin, thin out
    Type Of : weaken
  3. reduced in strength or concentration or quality or purity

    Synonyms : diluted
    Examples :
    • diluted alcohol
    • a dilute solution
    • dilute acetic acid


  1. make or become free of frost or ice

    Synonyms : de-ice, defrost
    Type Of : dethaw, dissolve, melt, thaw, unfreeze, unthaw


  1. the removal of trees

    Synonyms : disforestation
    Type Of : baring, denudation, husking, stripping, uncovering
  2. the state of being clear of trees

    Type Of : environmental condition


  1. the speech act of answering an attack on your assertions

    Synonyms : defence, refutation
    Type Of : answer
    Examples :
    • in defense he said the other man started it
  2. (sports) the team that is trying to prevent the other team from scoring

    Synonyms : defence, defending team
    Antonyms : offense
    Type Of : team, squad
    Examples :
    • his teams are always good on defense
  3. the defendant and his legal advisors collectively

    Synonyms : defence, defense lawyers, defense team
    Antonyms : prosecution
    Type Of : assemblage, accumulation, collection, aggregation
    Examples :
    • the defense called for a mistrial
  4. a defendant's answer or plea denying the truth of the charges against him

    Synonyms : defence, demurrer, denial
    Antonyms : prosecution
    Type Of : due process, due process of law
    Examples :
    • he gave evidence for the defense
  5. a structure used to defend against attack

    Synonyms : defence, defensive structure
    Type Of : structure, construction
    Examples :
    • the artillery battered down the defenses
  6. the justification for some act or belief

    Synonyms : defence, vindication
    Type Of : justification
    Examples :
    • he offered a persuasive defense of the theory
  7. the act of defending someone or something against attack or injury

    Synonyms : defence
    Type Of : protection
    Examples :
    • a good boxer needs a good defense
    • defense against hurricanes is an urgent problem
  8. the federal department responsible for safeguarding national security of the United States; created in 1947

    Synonyms : defense department, department of defense, dod, united states department of defense
    Type Of : executive department
  9. an organization of defenders that provides resistance against attack

    Synonyms : defence, defence force, defense force
    Type Of : organisation, organization
    Examples :
    • he joined the defense against invasion
  10. (military) military action or resources protecting a country against potential enemies

    Synonyms : defence, defensive measure
    Type Of : action, military action
    Examples :
    • they died in the defense of Stalingrad
    • they were developed for the defense program
  11. (psychiatry) an unconscious process that tries to reduce the anxiety associated with instinctive desires

    Synonyms : defence, defence mechanism, defence reaction, defense mechanism, defense reaction
    Type Of : unconscious process, psychoanalytic process, process
  12. protection from harm

    Synonyms : defence
    Type Of : protection
    Examples :
    • sanitation is the best defense against disease


  1. having restricted mental or physical functioning as a consequence of injury or illness

    Synonyms : handicapped
  2. people collectively who are crippled or otherwise physically handicapped

    Synonyms : handicapped
    Type Of : people
    Examples :
    • technology to help the elderly and the disabled


  1. distributed in portions (often equal) on the basis of a plan or purpose

    Synonyms : divided up, shared, shared out
  2. having a median strip or island between lanes of traffic moving in opposite directions

    Synonyms : dual-lane
    Examples :
    • a divided highway
  3. separated into parts or pieces

    Antonyms : united
    Examples :
    • opinions are divided


  1. a man who is much concerned with his dress and appearance

    Synonyms : beau, clotheshorse, dandy, fashion plate, fop, gallant, sheik, swell
    Type Of : man, adult male
  2. an informal form of address for a man

    Synonyms : buster, fellow
    Type Of : adult male, man


  1. indicating or determining size and position in space

    Examples :
    • the ultrasonic dimensioning measurement
    • an ultrasonic dimensioning arrangement of the heart