something that you say which means if you do not know about a problem or an unpleasant fact, you do not worry about it.

I wish the newspapers would stop telling us about the dangers of eating meat. It seems to me ignorance is bliss.

• dot your i's and cross your t's
• double bind
• double-dip
• double-dipping
• double Dutch
• double entendre
• double over
• double-talk
• double up
• double up with
• double up with someone
• double whammy
• doubting Thomas
• do us a favour
• do without
• do without someone
• do without something
• down-and-dirty
• down and out
• down-and-out
• down-at-heel
• down-home
• down in the dumps
• down memory lane
• down on