IPA: /ˈɛəlaɪk/
KK: /ˈɛrˌlaɪk/
Having qualities or characteristics similar to air, such as being light, ethereal, or gaseous.
The airlike substance floated effortlessly in the room.
Airlike → It is formed from "air" (from Old French *air*, meaning the invisible gaseous substance surrounding the earth) and "-like" (meaning resembling or similar to). The word "airlike" means resembling or similar to air.
Think of something that is 'similar to air' — 'air' refers to the gaseous substance around us, and '-like' indicates resemblance.