The effective way to determine the meaning of "ingenious" is B. Use a dictionary or thesaurus
It should be noted that a dictionary simply means a book that can be used to find the meaning of words.
The words in a dictionary are arranged in alphabetical order and can help in providing meaning to the word "ingenious".
In this case, the meaning of the word in the dictionary is clever and original.
In conclusion, the correct option is B.
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