Intensive

Stretched; admitting of intension, or increase of degree; that can be intensified.

Characterized by persistence; intent; unremitted; assiduous; intense.

Serving to give force or emphasis; as, an intensive verb or preposition.

That which intensifies or emphasizes; an intensive verb or word.

a modifier that has little meaning except to intensify the meaning it modifies; "‘up’ in ‘finished up’ is an intensifier"; "‘honestly’ in ‘I honestly don't know’ is an intensifier"

characterized by a high degree or intensity; often used as a combining form; "the questioning was intensive"; "intensive care"; "research-intensive"; "a labor-intensive industry"