1. in a manner that is inherent, essential, or fundamental to the nature or structure of something
Usage: formal; often used in scientific and technical contexts
2. in a way that is continuously or permanently active without requiring external stimulation or regulation
Usage: biology; genetics

Examples

• The gene is constitutively expressed in all cell types.
• Water is constitutively a liquid at room temperature.
• The protein is constitutively active, meaning it functions without needing activation signals.
• Certain enzymes are constitutively present in the cell, always ready to perform their function.
• The system operates constitutively, maintaining steady-state conditions throughout the day.