low-pressure

noun

• a condition of the atmosphere in which the pressure is below average (e.g., in a depression): areas of low pressure almost always bring rain [as modifier]:a large low-pressure system south of Bermuda

adjective

• 1involving a small or limited degree of physical force:a low-pressure nozzle is recommended

• 2involving a low level of activity or exertion; nonstressful:her low-pressure style of teaching
• (of a salesperson or sales pitch) employing a low degree of coercion:a seminar in low-pressure sales tactics