1. not subject to control, regulation, or restriction
2. not requiring a prescription or special authorization
Usage: medical; pharmaceutical

Examples

• The noncontrolled intersection had no traffic lights or stop signs.
• Many noncontrolled substances are available at the pharmacy without a prescription.
• The study compared controlled and noncontrolled variables in the experiment.
• Noncontrolled airspace allows aircraft to fly without specific authorization.
• The medication was classified as noncontrolled and could be purchased freely.
• Noncontrolled burns help prevent larger forest fires.
• The noncontrolled environment made it difficult to obtain reliable data.