Instantaneity is defined as the quality of being instantaneous or occurring instantly. Some synonyms for this word include immediacy, promptness, swiftness, rapidity, quickness, and speed. These terms all describe the same concept of something happening without delay or hesitation. Other related words that convey a similar meaning include spontaneity, urgency, haste, and impetuousness. In the business world, instantaneity is highly valued, as it allows companies to quickly respond to changes in the market, make decisions, and take action. In our personal lives, instantaneity can manifest as a desire for instant gratification and a need for immediate results.