Such-Such-A | Commonly Confused Words

Such a

/sʌtʃ ə/

Used to refer to something that has already been mentioned or is known about

/sʌtʃ/

Used to refer to something that has already been mentioned or is related to the current subject

Tom thanked God for sending him to such a nice place.Such offered us herself.'Such a fine gentleman!

This word has no antonyms

Such can be used as an intensifier and is one word, while such a is a phrase that specifically indicates a particular example or instance.
Such often appears before an adjective or adverb, whereas such a is used before a singular countable noun.
Remember that such a is always followed by a noun and gives a hint that something is being exemplified.