derpy

As adjectives the difference between derpy and dopey

is that derpy is (label) foolish, silly while dopey is stupid, silly.

As an adjective derpy

is foolish, silly.

As a noun retard is

retardation; delay.

As a verb retard is

to keep delaying; to continue to hinder; to prevent from progress; to render more slow in progress; to impede; to hinder.

As a noun derby

is any of several annual horseraces.

As a proper noun Derby

is a city in the east Midlands of England, once the county town of Derbyshire.

As an adjective derpy is

foolish, silly.

As a noun derny

is (cycling) a motorized bicycle for paced cycling events such as keirin.

As an adjective derpy is

(label) foolish, silly.

As a noun deray

is (obsolete) disorder.

As an adjective derpy is

(label) foolish, silly.

As an adjective derpy

is (label) foolish, silly.

As a noun derps is

.

As a verb derps is

(derp).

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective derpy is

(label) foolish, silly.