Valid

Definition

Valid refers to something that is logically or factually sound, justifiable, or well-founded.

Parts of Speech

• Adjective

Pronunciation

American English

• IPA Pronunciation: /ˈvælɪd/
• Respelling: VAL-id (with "VAL" rhyming with "pal" and "id" as in "did")

British English

• IPA Pronunciation: /ˈvælɪd/
• Respelling: VAL-id (similar to American English, with "VAL" rhyming with "pal" and "id" like in "did")

In both dialects, "valid" is pronounced similarly. The word is characterized by the short "a" sound in the first syllable, as found in words like "cat" or "hat," followed by "id," which has a short 'i' sound as in "lid" or "bid."

Etymology

Derived from the Latin word "validus", which means "strong". The term "valid" was adopted into English in the early 17th century and was used to describe an argument or point that was logically and factually sound.

Derivatives

• Validate
• Validation
• Validity
• Validator
• Validly

Synonyms

• Legitimate
• Authentic
• Credible

Antonyms

• Invalid
• False
• Unfounded

Usage

• "His passport is still valid for another two years."
• "The arguments she presented were valid and convincing."

Related Terms

• Verification
• Justification
• Authenticity
• Credibility
• Confirmation

Detailed Definition

Adjective

• Logically or Factually Sound: Having a basis in logic or fact; being able to withstand criticism or objection.
• Example: His reasoning was valid, so no one disputed his conclusion.

• Legally or Officially Acceptable: Recognized by the law or by an official body.
• Example: You need a valid driver's license to drive this vehicle.

• Binding or Able to be Enforced by Law: Having legal force.
• Example: The contract is still valid for another year.

• (Of an argument) Having Premises from Which the Conclusion May Legitimately be Derived: Properly grounded or based.
• Example: The logician demonstrated that the syllogism was valid.