Definitions

1. adjective

not belonging to or forming part of a group of birds that have distinctive coloration on their heads, especially cardinals

“The uncardinal plumage of the bird made it difficult to identify its species.”

2. noun

a bird that is not a member of the cardinal family

“The park was home to many different species of birds, including some uncardinals.”

3. adverb

in a manner that is not characteristic of cardinals

“The bird sang uncardinally, its song unlike anything heard from the cardinal family before.”