High-handed

Bossy, dictatorial, depending on force rather than what is right.My supervisor always takes a high-handed approach when dealing with the... Read more →

(in) high gear

At top speed, at full activity.The preparations for the wedding have been in high gear all week.

High-and-mighty

Arrogant.The supervisor always acts high-and-mighty in front of his employees.

High and low

Everywhere.I looked high and low for my watch but I could not find it.

Hear of (someone or something)

To know about someone or something, to be familiar with someone or something.I have never heard of the singer.

Hear from (someone)

To receive a letter or phone call or news from someone.I have not heard from my university roommate for over one year.

Head for (someone/something/somewhere)

To aim for someone/something/somewhere, to move toward someone/something/somewhere.The tropical storm is heading for the large island.

Head and shoulders above (someone or something)

To be clearly superior to someone or something.I believe that our team is head and shoulders above the other teams in the league.

Hazard an opinion

To give an opinion.I will not hazard an opinion about the new company policy.

Hazard a guess

To make a guess.I would not want to hazard a guess as to the age of the woman.