The word "Insume" can be spelled as /ɪnˈsjuːm/. It consists of two syllables: "in" and "sume". The "in" part is phonetically represented as /ɪn/, which is pronounced as "in" with a short i sound. The "sume" part is pronounced as /ˈsjuːm/ with an "s" sound and a long u sound. "Insume" is not a common word, but it can be used as a variation of the word "consume" with a prefix "in-" meaning "not". Thus, "insume" means "not consume".