instant; quick-preparation; ready in moments
Most often used before another noun or as a na-adjective for products, especially food and drinks, that can be prepared quickly, such as インスタントラーメン and インスタントコーヒー.
On busy days, I often make do with instant food.
This soup is instant.
I made instant ramen for a late-night snack.
That won't be an instant solution.
On busy mornings, I often just have something instant for a meal.
instant message; IM
instant messenger; instant messaging client
instant messaging; IM