Final answer:
A synonym is a word that has a similar meaning to another word. For example, the words 'big' and 'large' are synonyms because they have similar meanings.
Step-by-step explanation:
A synonym is a word that has a similar meaning to another word.
Option b) A word with a similar meaning describes a synonym.
For example, the words 'big' and 'large' are synonyms because they have similar meanings.