realreason

noun
UK /ˈrɪəl ˈriːzən/
US /ˈriːl ˈriːzən/

The true cause of something that happens.

The realreason she was late was that her bus broke down.


OTHER MEANINGS

2. The hidden purpose behind someone's actions.

The realreason he helped was to get a reward.

3. The main fact that explains a problem.

Scientists found the realreason the ice was melting.

4. The honest answer to a question about why something happened.

When asked why he quit, he finally told the realreason.