Hold back

to stop someone or something from going forward, or from progressing in some way

Hold down

to stop something from rising by pressing down on it or putting a heavy object on it

Hold forth FORMAL

to talk about a topic for a long time, often in a way that other people find boring

Hold off

to delay doing something until a later time

hold on (1)

to hold something like a railing or an overhead strap so you don't fall over

hold on (2)

to wait for a short time

hold out (1)

If you hold something out, you hold it where other people can reach it.

hold out (2)

If a supply of something holds out, it continues to be enough and it doesn't run out.

Hold out for

to wait until you get what you want, especially when negotiating

Hold out on

to refuse to give information to someone

Hold to

to make someone do what they promised or agreed to do

hold up (1)

to cause a delay, or make someone or something later than expected

hold up (2)

to support something and stop it from falling down

hold up (3)

to steal from someone while threatening them with a gun or a similar weapon

hook up (1)

If you hook up things like computers and their peripherals, or the components of a home theatre, you connect them with cables.

Hook up (2) INFORMAL

to meet with someone and join with them in work, travel or leisure activities

Hunt down

If you hunt down someone, you try to find them and capture or kill them.

Hurry up

If you hurry up, you try to do something faster.

Hush up

to try to keep something secret, especially something that could damage the reputation of a person or an organization

Identify with

If you identify with someone, you feel you have a connection with them and you can understand them and share their feelings.

Impact on

to have a significant effect on something

Impose on

If you impose something on someone, you force them to accept it even if they don't want to.

Improve on

If something is improved on, it's made better than it was.

Incline to FORMAL

If somebody inclines to something such as a certain way of thinking, they will usually think in that way.

Indulge in

to do something that gives you pleasure, even though there could be some negative consequences

Infer from

to believe something is true because you have some indirect evidence of it

Inject into

to add something positive in order to make something work better

Insist on

If you insist on something, you say that you must have it or it must be done.

Instil in

to condition someone to follow a certain belief or to behave in a certain way