IPA: /ˈstɛr.ɔɪ.dəl/
KK: /stɛrˈɔɪdəl/
Relating to or derived from a type of organic compound that includes hormones and vitamins, which have a specific molecular structure.
The athlete was banned for using a steroidal substance to enhance performance.
**Steroidal** → It is formed from "steroid" (from Greek "stereos", meaning solid or three-dimensional) and the suffix "-al" (meaning pertaining to). The word "steroidal" refers to something that pertains to or is characteristic of steroids, which are solid organic compounds with a characteristic molecular structure.
Think of 'steroid' meaning something solid or three-dimensional, and the '-al' indicating it relates to that. This helps you remember that 'steroidal' refers to things that are related to steroids.