The word "gaslike" is used to describe something that resembles or behaves like a gas. However, there are several synonyms to describe the same thing. One such synonym is "vaporous", which means something that is in the form of vapor but can be condensed to a liquid or solid. Another synonym is "gaseous", which refers to something existing in the form of a gas. "Aeriform" is also a synonym for "gaslike", as it describes something in the form of a gas or air. Other similar words include "volatile", "evaporative", "fugacious", and "fluid". These synonyms help to describe the characteristics of gases in various contexts.