1. in a manner that spreads out or disperses over a wide area or in many directions
Usage: often used in scientific or technical contexts
2. in a way that is wordy, unfocused, or lacking clear organization; ramblingly
Usage: often used to describe speech or writing

Examples

• The light diffusively filtered through the frosted glass, creating a soft glow.
• He spoke diffusively about his travels, jumping from topic to topic without clear direction.
• The gas diffusively expanded throughout the container.
• She wrote diffusively, including many tangential thoughts that distracted from her main argument.
• The heat diffusively radiated from the fireplace into the room.
• The author explained the concept diffusively, making it harder for readers to grasp the key points.