Definition of intensive

• a modifier that has little meaning except to intensify the meaning it modifies; "`up in `finished up is an intensifier"; "`honestly in `I honestly dont 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"
• tending to give force or emphasis; "an intensive adverb"