2. (v. t.) To hinder; to destroy; as, to infringe efficacy; to infringe delight or power.
3. (v. i.) To break, violate, or transgress some contract, rule, or law; to injure; to offend.
4. (v. i.) To encroach; to trespass; -- followed by on or upon; as, to infringe upon the rights of another.