"Simmer" Natural Recordings by Native Speakers
To cook food slowly in a liquid (such as water or broth), typically at a low temperature, so that the flavors can combine and the texture can be tenderized.
Example: "The soup was simmering on the stove for hours, filling the kitchen with its delicious aroma."
To be calm and quietly controlled, often because of a difficult situation or strong feeling.
Example: "She was simmering with anger after being yelled at in front of her colleagues."
To be developing or beginning to work, but not yet fully formed or activated.
Example: "The relationship between the two friends is still simmering, and it's unclear if it will ever become serious."
The meaning of the word "simmer" often depends on the context in which it is used.
I couldn't find any definition or meaning of the word "similitudinary". It appears to be a non-existent or made-up word.
To be simmering means to be calmly and quietly boiling or bubbling, typically with a steady and gentle movement. Metaphorically, to be simmering also means to be seething with emotions or ideas, building up energy and tension that may eventually erupt.