Sideways
Part of speech: adverb
Definition: With a side to the front. Towards one side. Askance; sidelong.
Example sentence: I will be so glad to take the picture and pose and look good for the picture. But when you catch me while I'm looking real sideways and the picture's ugly as hell, I don't want you to have the picture like that!
Sidewise
Part of speech: adverb
Definition: sideways