Dead-on and Textbook

Dead-on adjective - Being in agreement with the truth or a fact or a standard.

Textbook and dead-on are semantically related. In some cases you can use "Textbook" instead an adjective phrase "Dead-on".

Textbook adjective - Constituting, serving as, or worthy of being a pattern to be imitated.

Dead-on and textbook are semantically related. Sometimes you can use "Dead-on" instead an adjective "Textbook".