The spelling of the word "Resistibly" can be explained using the International Phonetic Alphabet (IPA). The pronunciation of this word is ree-zis-tuh-buh-lee, where the stressed syllable is "tuh" and has the schwa sound. The "s" is pronounced as /z/ due to the following vowel sound. The ending "-bly" is commonly used to form adverbs and means "in a manner that is susceptible to". "Resistibly" means "in a manner that can be resisted" and is commonly used in contexts where one is discussing the resistance to something.