minimize
US /ˈmɪn.ə.maɪz/
UK /ˈmɪn.ə.maɪz/

1.
2.
represent (something) as being smaller or less important than it actually is
:
•
Don't minimize the seriousness of the situation.
•
He tended to minimize his own achievements.
represent (something) as being smaller or less important than it actually is