Words that are similar to each other in meaning are also known as synonyms of each other. The word ‘Innuendoes’ means to make a sly remark or comment that subtly implies or insinuates something.. Both ‘Indications’ and ‘Inspiring Quotes’ are irrelevant in terms of meaning to the word, ruling out Options A) and B); and while ‘Witty Remarks’ is slightly relevant, the word ‘Insinuation’ is the closest in meaning to ‘Innuendoes’ – leaving us with the correct answer, Option D).