a title of God or Jesus Christ, used when praying:
Thank you, Lord, for your blessings.
God or Jesus Christ, used when talking about God:
The Lord helps and guides us.
used when you do not know the answer to something
Lord knows how/who/where etc
Lord knows how old she is now.
used to emphasize that something is true:
Lord only knows I tried my best to get this right.
said when you are suddenly surprised, annoyed, or worried about something [= heavens]:
Good Lord! Is that the time?
the title of someone who has a particular type of official job in Britain:
Lord Mayor of London
5 British English
the House of Lords [↪ the Commons]
a phrase meaning Jesus Christ