What context can I use each word in?
Learn when and how to use these words with these examples!
vestigial
Example
The human appendix is considered a vestigial organ. [vestigial: adjective]
Example
The wings of ostriches are vestigial and cannot be used for flight. [vestigial: adjective]
rudimentary
Example
The rudimentary eyes of some cave-dwelling animals are only capable of detecting light and dark. [rudimentary: adjective]
Example
The tadpole's legs are still rudimentary and not yet fully formed. [rudimentary: adjective]
Good things to know
Which word is more common?
Vestigial is more commonly used than rudimentary in scientific and biological contexts. Rudimentary is less common and may have a negative connotation when used to describe human traits or characteristics.
What’s the difference in the tone of formality between vestigial and rudimentary?
Both vestigial and rudimentary are formal words and are typically used in scientific or technical writing rather than everyday conversation.
