What context can I use each word in?
Learn when and how to use these words with these examples!
diligent
Example
She is a diligent student who always completes her assignments on time. [diligent: adjective]
Example
He diligently worked on the project until it was completed to his satisfaction. [diligently: adverb]
thorough
Example
The inspector conducted a thorough investigation of the crime scene. [thorough: adjective]
Example
She thoroughly researched the topic before writing her paper. [thoroughly: adverb]
Good things to know
Which word is more common?
Thorough is less common than diligent in everyday language. Diligent is a versatile word that can be used in a wide range of contexts, while thorough is more specific and often used in academic or professional settings.
What’s the difference in the tone of formality between diligent and thorough?
Both diligent and thorough are formal words that are appropriate for use in academic or professional contexts. However, thorough may be perceived as more formal due to its association with research and analysis.