Answer:
Original Sentence: Aunt Anita amazed us with photos of her thrilling 10-day trip through the rainforest.
New Word: Thrilling
Definition: Exciting
Two synonyms also considered: Fascinating, lively
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Original Sentence: When the big game ended, our team had been defeated by a score of 54 to 3.
New Word: Defeated
Definition: to lose to someone, to be beaten by someone at something
Two synonyms also considered: Conquered, bested
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Original Sentence: My father was angry when my mother threw away the t-shirt he had saved since high school.
New Word: Since
Definition: A period of time between different periods of time.
Two synonyms also considered: From, from before
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Step-by-step explanation:
I didn't completely understand what to do, so I just wrote what I thought was being asked. I wrote the original sentence, a word in the sentence that is harder to use, the definition of the word, and two synonyms for the word. Hope it's okay!