Click any word in a definition or example to find the entry for that word
90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.
The thesaurus of synonyms and related words is fully integrated into the dictionary entries. Click on the T button in an entry to review the synonyms and related words for that meaning.
The key to a good interview is thorough preparation.
She has a thorough understanding of the business.
a thorough and painstaking investigation by the police
The doctor was very thorough and asked lots of questions.
It's all a thorough nuisance.
This is the British English definition of thorough. View American English definition of thorough.
Change your default dictionary and thesaurus to American English.
View the pronunciation for thorough.
the design of buildings or public spaces in a way which discourages people from touching, climbing or sitting on them …
to ask people to vote in order to decide an issue
a situation in which a country's armed forces are physically present in an area of conflict …
A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.
Definition of thorough from the online English dictionary from Macmillan Publishers Limited.