What context can I use each word in?
Learn when and how to use these words with these examples!
valid
Example
His argument was valid because it was supported by evidence. [valid: adjective]
Example
The contract is only valid if both parties sign it. [valid: adjective]
Example
The test results are not valid if the instructions were not followed correctly. [valid: adjective]
sound
Example
Her argument was sound because it was backed up by research. [sound: adjective]
Example
The investment seems sound based on market trends. [sound: adjective]
Example
The bridge is sound and can withstand heavy traffic. [sound: adjective]
Good things to know
Which word is more common?
Valid is more commonly used than sound in academic and legal contexts, while sound is more commonly used in financial and engineering contexts. Both words are commonly used in their respective fields.
What’s the difference in the tone of formality between valid and sound?
Valid is more formal than sound, as it is often used in legal or academic contexts. Sound is more versatile and can be used in both formal and informal contexts.
