As a proper noun rode

is (the oldest oceanid).

As an adjective undefined is

lacking a definition or value.

As a noun substructure

is the supporting part of a structure (either physical or organizational; the foundation).

As an adjective undefined is

lacking a definition or value.

As adjectives the difference between detached and undefined

is that detached is of a house: not joined to another house on either side while undefined is lacking a definition or value.

As a verb detached

is (detach).

As adjectives the difference between steady and undefined

is that steady is firm in standing or position; not tottering or shaking; fixed; firm while undefined is lacking a definition or value.

As a verb steady

is to stabilize something; to prevent from shaking.

As a noun steady

is (informal) a regular customer.

As a noun observant

is a member of a franciscan order that strictly observes the rules of st francis.

As an adjective undefined is

lacking a definition or value.

As a noun hard

is stove, heater; an enclosed space in which fuel (usually wood) is burned to provide heating, usually for cooking.

As an adjective undefined is

lacking a definition or value.

As a noun retailer

is a retail sales company or salesman.

As an adjective undefined is

lacking a definition or value.

As a verb plead

is to present an argument, especially in a legal case.

As an adjective undefined is

lacking a definition or value.

As a noun pendant

is counterpart.

As an adjective undefined is

lacking a definition or value.

As a noun decrepitation

is (mineralogy) the shattering of minerals by the action of heat, especially when accompanied by a crackling sound.

As an adjective undefined is

lacking a definition or value.