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.

• gut reaction
• hackles rise
• had better
• had gone out with the ark
• had it coming
• hail-fellow-well-met
• hail from
• hail from somewhere
• hair of the dog
• hair of the dog that bit you
• hair out of place
• hair-raising
• hair's breadth
• hair shirt
• hair-splitting
• halcyon days
• hale and hearty
• half
• half a dozen
• half a loaf
• Half a loaf is better than none.
• half-arsed
• half-baked
• half-hearted
• half-heartedly