Valid



GRE 蓝宝 Barron TOEFL 考研

解释

GRE 红宝书

• adj.正确的, 有效的, 有根据的
• ［类］ 反义词: fallacious ( 谬误的) ; specious ( 似是而非的) ; fallacy ( 谬误) -valid argument ( 正确的论证)
• ［同］ 派生词: validity ( n. 有效性, 合法性)

Webster Collegiate

adjective

• Etymology: Middle French or Medieval Latin; Middle French valide, from Medieval Latin validus, from Latin, strong, potent, from valēre
• Date: 1571
• 1. having legal efficacy or force; especially executed with the proper legal authority and formalities <a valid contract>
• 2.
  • a. well-grounded or justifiable ; being at once relevant and meaningful <a valid theory>
  • b. logically correct <a valid argument><valid inference>
• 3. appropriate to the end in view ; effective <every craft has its own valid methods>
• 4. of a taxon conforming to accepted principles of sound biological classification
• ? validity noun
• ? validly adverb
• Synonyms:
  • valid, sound, cogent, convincing, telling mean having such force as to compel serious attention and usually acceptance. valid implies being supported by objective truth or generally accepted authority <a valid reason for being absent><a valid marriage>. sound implies a basis of flawless reasoning or of solid grounds<a sound proposal for reviving the economy>. cogent may stress either weight of sound argument and evidence or lucidity of presentation<the prosecutor's cogent summation won over the jury>. convincing suggests a power to overcome doubt, opposition, or reluctance to accept<a convincing argument for welfare reform>. telling stresses an immediate and crucial effect striking at the heart of a matter<a telling example of bureaucratic waste>.

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