I smell it's a room it cremated the air what is the definition of the underlying word a continued or enduring without change be a d i s t i n c i t i v e p e r v a s i v e and usual pleasant or is a v o r y smell see to spread or diffuse through

Answer 1

The underlying word you are looking for is "permeate." The definition of permeate is to spread or diffuse through something, often giving off a noticeable smell or flavor. It can be both pleasant or unpleasant, depending on the context.