1. the system of fundamental principles according to which a nation, state, corporation, or other organization is governed
2. a written document embodying the rules of a political or social organization
3. the physical makeup of the individual especially with respect to the health, strength, and appearance of the body

Examples

• The U.S. Constitution guarantees freedom of speech.
• Our club needs to draft a new constitution.
• She has a strong constitution and rarely gets sick.
• His weak constitution made him prone to illness.
• The constitution of the soil affects plant growth.
• The judge ruled that the law violated the state constitution.
• Scientists studied the chemical constitution of the compound.