Dinner is served

Dinner is being served.

Dinner's ready.

Dinner is waiting!

Dinner/Lunch is served!

Dinner is ready.

Dinner is served between 7pm and 10pm.

Dinner smells delicious!

dinner theme party

by dint of

to dip into reserves

to dip into one’s purse / pocket

to dip deep into the past

to dip into

to dip into something

dippy

dipso

dipstick

to be in dire need of

to be in dire straits

dire straits

to be a direct descendant of

direct and straight forward

directory

Ex-directory, please