【正确答案】：
SYNONYMS CAN BE DEFINED AS WORDS DIFFERENT IN SOUND AND SPELLING BUT MOST NEARLY ALIKE OR EXACTLY THE SAME IN MEANING.
【题目解析】：同义词可以被定义为发音和拼写上不同，但意义上几乎相同或完全相同的词。
SYNONYMS CAN BE DEFINED AS WORDS DIFFERENT IN SOUND AND SPELLING BUT MOST NEARLY ALIKE OR EXACTLY THE SAME IN MEANING.