• shorten; reduce
To shorten the length of something from its top to bottom.
• lower; bring down
To cause numbers to fall short of a standard.
• lower; bring down
To cause a level or quality to fall short of a standard.
• humble; be modest
To place one's status or position below another's.
• turn down; lower
To lower the sound of something or reduce the number of frequency.
• lower the status of the addressee
To speak in an addressee-lowering form.