1. past participle of see; perceived with the eyes or mind
Usage: used with auxiliary verbs to form perfect tenses and passive voice

Examples

• I have seen that movie three times.
• She had never seen snow before moving north.
• The suspect was seen leaving the building at midnight.
• Have you seen my keys anywhere?
• The comet can be seen with the naked eye.
• He has seen many changes in his lifetime.
• The damage was worse than we had seen before.