What context can I use each word in?
Learn when and how to use these words with these examples!
ancillary
Example
The book includes ancillary materials such as a glossary and index. [ancillary: adjective]
Example
The ancillary staff helped with administrative tasks. [ancillary: noun]
supplementary
Example
The teacher provided supplementary materials to help students understand the topic better. [supplementary: adjective]
Example
The textbook comes with a supplementary CD containing audio recordings. [supplementary: noun]
Good things to know
Which word is more common?
Supplementary is more commonly used than ancillary in everyday language. Supplementary is a versatile word that can be used in various contexts, while ancillary is less common and more specific to certain contexts.
What’s the difference in the tone of formality between ancillary and supplementary?
Both ancillary and supplementary are formal words that are commonly used in academic or professional settings. However, ancillary may have a slightly more formal tone due to its association with support staff or materials.