noun, verb, -uged, -ug⋅ing.| 1. | a great flood of water; inundation; flood. |
| 2. | a drenching rain; downpour. |
| 3. | anything that overwhelms like a flood: a deluge of mail. |
| 4. | the Deluge. flood (def. 3). |
| 5. | to flood; inundate. |
| 6. | to overrun; overwhelm: She was deluged with congratulatory letters. |