one time thing
- onceAt one time
- singularOne in number
- uniqueOnly one exists
- fleetingPassing very quickly
- momentaryLasting very briefly
fling · hookup · exception · anomaly · fluke · rare · brief · passing · transient · ephemeral · whim · impulse · spontaneous · chance · encounter · experiment · trial · lapse
frequency/recurrence
one time thingroutine
Regular sequence of actions
habit · pattern · tradition · repeated occurrence · standard practice
commitment/permanence
one time thinglifelong
Lasting entire existence
enduring · forever · institution · mainstay
commitment/formality
one time thinglong-term relationship
Extended romantic commitment
committed relationship · marriage · established relationship · partnership