Select the option with the correct spelling that can replace the highlighted word in the given sentence. If the spelling in the given sentence is already correct, choose Option "No replacement required".

The CEO was known for his irrascible nature, often reacting angrily to minor errors.

The correct option is irascible.

Explanation:
The highlighted word in the given sentence is "irrascible", which is misspelled. The word contains an extra letter 'r'.

The correct spelling is irascible, which is an adjective used to describe someone who is easily made angry, hot-tempered, or irritable. It comes from the Latin root word irasci, meaning "to be angry."

Option Breakdown:
• irascible: Correct spelling with a single 'r', 'sc', and single 'b'.
• irrascible: Incorrect due to the double 'r'.
• irascibble: Incorrect due to the double 'b'.
• No replacement required: Incorrect, as the original word contains a spelling mistake.