The crossword solution for the term WORD WITH TASK OR AIR is FORCE. FORCE is a physical quantity that is measured using the International System of Units (SI). It is defined as the product of mass and acceleration, and it is represented by the symbol F. FORCE can be used to describe the action of an object on another object, such as the FORCE of gravity or the FORCE of a wind. It can also be used to describe the action of a person or group on an object, such as the FORCE of a police officer on a suspect or the FORCE of a crowd on a building.