Uncanny!

Uncanny (uhn-kan-ee) -Adjective

Definition: having or seeming to have a supernatural or inexplicable basis; beyond the ordinary or normal. (dictionary.com)

Translated definition: something that is out of the norm, or out of this world
Forms: uncannily (adverb), uncanniness (noun)

Sentences:
1. It is uncanny how similar you two look; I can't explain it but it's like you are twins.
2. Mr.Incredibles power's are uncanny because it's so unreal that anyone would actually be that strong.

Synonyms:
Uncanny is very similar to the word exceptional, but it's different because exceptional is used more to describe amazing things whereas uncanny can go more on the strange or wierd side.

Antonyms:
Uncanny is pretty much the exact opposite of the word common.

Best time to use:
Uncanny is not that uncommon of a word, I think it would be okay to use in everyday context, but not just with anyone. People our age or older would be an appropriate audience!

Rate its usefulness:
I give "uncanny" four out of five stars because although it is a more difficult word, you are able to use it in everday converstaion. However, it's not the best word ever.

Picture:
This picture represents the word uncanny because it's very strange for dogs to look like their owners!

Fickle!

Definition: Characterized by erratic changeableness or instability (thefreedictionary.com)
Translated definition: something that is unstable and changes all the time
Part of Speech: Adjective
Other forms: Fickleness (noun), Fickly (adverb)
Examples: 1. Your fickleness is one of your worst traits because you always change your mind and it's hard for me to know what you will think of certain things.
                 2. Your dating habits are really fickle, you have a new girlfriend each week.
Pronunciation: (fik-uhl)
Best time to use: I think that it is best to use the word fickle when you're talking to an educated person, or maybe you can use it when you are mad at someone and you would use it as an insult.
Synonyms: some synonyms of the word fickle are; unstable, unsteady, and variable. These words are different from the word fickle because fickle covers all of these words plus more, whereas these words are more specific.
Antonyms: Some antonyms of the word fickle are; steady, constant, and reliable. These words are all basically the exact opposite of the word fickle.
Usefulness: The word fickle is very useful, we give it four out of five stars because you can use the word in many ways at many different times.
Picture:
This picture is a very good description of the word fickle because the graph is pretty much all over the place, it is not at all stable.