1. to defeat completely or overpower
2. to affect someone very strongly with emotion
3. to give someone too much of something to deal with

Examples

• The army was overwhelmed by enemy forces.
• She was overwhelmed with gratitude for their help.
• The new student felt overwhelmed by all the homework.
• Too many emails can overwhelm your inbox.
• The tsunami overwhelmed the coastal villages.
• He was overwhelmed by the beauty of the sunset.
• Don’t let stress overwhelm you during finals week.