The word "unresponsible" is not a correct spelling in English. The correct form of the adjective is "irresponsible" (/ˌɪrɪˈspɒnsəbəl/), which means not having or showing responsibility. The prefix "ir-" means not or without, while "responsible" is pronounced as /rɪˈspɒnsəbəl/. While misspellings happen, it's important to use the correct form of a word to convey the intended meaning properly. Therefore, it is advisable to double-check the spelling of a word before using it in writing or conversation.