Antonym of CONSOLIDATE

Answer: Option B

Consolidate : make (something) physically stronger or more solid.
Isolate : cause (a person or place) to be or remain alone or apart from others.
Weaken : make or become weaker in power, resolve, or physical strength.
Divide : separate or be separated into parts.
Identify : establish or indicate who or what (someone or something) is.

Antonym of Consolidate is Weaken