synonym

/ˈsɪnəˌnɪm/

two words that can be interchanged in a context are said to be synonymous relative to that context

中文释义：同义词

'Happy' and 'joyful' are synonyms that can be used interchangeably.

“Happy”和“joyful”是可以互换使用的同义词。

Using synonyms enriches your vocabulary and avoids repetition.

使用同义词可以丰富词汇量并避免重复。