Gazans get plenty of food, mostly through Israel, and some through Egypt. They also get electricity and water and fuel through Israel. Nobody is starving. It is true that certain products are not allowed in. I will leave it to you as an exercise to find out what these products are, and why. Remember, Hamas by their public charter and lethal actions, are at war with Israel. Until the war ends, little progress can be made. Please don't use terms carelessly, otherwise your words will have no meaning. History has many instances of real sieges, and they are not pretty.
Firebomb thrown during demonstration in northern Israeli town of Umm al Fahm (Haaretz)
from the article: Israel hits Gaza for second time in 24 hours after mortar barrage