1. Not occurring together
   - nonsynchronous, unsynchronized, unsynchronous

See also: asynchronous

• expansion bolt
• expansion slot
• expansionary
• expansionism
• expansionist
• expansive
• expansive bit
• expansively
• expansiveness
• expansivity
• expat
• expatiate
• expatiation
• expatriate
• expatriation
• expect
• expectable
• expectancy
• expectant
• expectantly
• expectation
• expected
• expected value
• expectedly
• expectedness