Search Result for "valid": 
Wordnet 3.0


1. well grounded in logic or truth or having legal force;
- Example: "a valid inference"
- Example: "a valid argument"
- Example: "a valid contract"

2. still legally acceptable;
- Example: "the license is still valid"

The Collaborative International Dictionary of English v.0.48:

Valid \Val"id\, a. [F. valide, L. validus strong, from valere to be strong. See Valiant.] [1913 Webster] 1. Strong; powerful; efficient. [Obs.] "Perhaps more valid arms . . . may serve to better us." --Milton. [1913 Webster] 2. Having sufficient strength or force; founded in truth; capable of being justified, defended, or supported; not weak or defective; sound; good; efficacious; as, a valid argument; a valid objection. [1913 Webster] An answer that is open to no valid exception. --I. Taylor. [1913 Webster] 3. (Law) Having legal strength or force; executed with the proper formalities; incapable of being rightfully overthrown or set aside; as, a valid deed; a valid covenant; a valid instrument of any kind; a valid claim or title; a valid marriage. [1913 Webster] Syn: Prevalent; available; efficacious; just; good; weighty; sufficient; sound; well-grounded. [1913 Webster]
WordNet (r) 3.0 (2006):

valid adj 1: well grounded in logic or truth or having legal force; "a valid inference"; "a valid argument"; "a valid contract" [ant: invalid] 2: still legally acceptable; "the license is still valid"
Moby Thesaurus II by Grady Ward, 1.0:

153 Moby Thesaurus words for "valid": absolute, acceptable, actionable, adducible, admissible, advantageous, applicable, armipotent, attestative, attested, attestive, auspicious, authentic, authoritative, authorized, based on, beneficial, benevolent, binding, bon, bonny, braw, bueno, capital, certain, circumstantial, cogent, commendable, competent, conclusive, confirmed, consistent, constitutional, convincing, corroborated, cumulative, damning, decisive, definitive, demonstrated, determinative, determined, documentary, documented, dynamic, effective, effectual, elegant, energetic, established, estimable, evidential, evidentiary, ex parte, excellent, expedient, eye-witness, factual, fair, famous, favorable, final, fine, firsthand, forceful, forcible, founded on, good, goodly, grand, grounded on, healthy, hearsay, helpful, high-potency, high-powered, high-pressure, high-tension, implicit, in force, in power, incontrovertible, indicative, indisputable, irrefutable, irresistible, judicial, juridical, just, justiciable, kind, kosher, laudable, lawful, lawmaking, legal, legislative, legit, legitimate, licit, logical, material, mighty, mighty in battle, nice, noble, nuncupative, operative, overwhelming, persuasive, pleasant, potent, powerful, prepotent, presumptive, probative, profitable, puissant, regal, reliable, rightful, royal, ruling, sanctioned, satisfactory, satisfying, self-consistent, significant, skillful, solid, sound, splendid, statutory, striking, strong, substantial, substantiated, sufficient, suggestive, sure, symptomatic, telling, useful, validated, verified, very good, vigorous, virtuous, vital, weighty, well-founded, well-grounded, within the law
The Free On-line Dictionary of Computing (30 December 2018):

Valid A dataflow language. ["A List-Processing-Oriented Data Flow Machine Architecture", Makoto Amamiya et al, AFIPS NCC, June 1982, pp. 143-151]. (1995-02-14)
Bouvier's Law Dictionary, Revised 6th Ed (1856):

VALID. An act, deed, will, and the like, which has received all the formalities required by law, is said to be valid or good in law.