Phrasal verbs are an important feature of the English language. The meaning of a phrasal verb often bears no relation to the meaning of either the verb or the particle which is used with it. Many phrasal verbs have several different meanings.
Deal with (to take action in order to achieve something)
Does the government have the resources to deal with the latest disaster?
Decide on (to choose something or someone after thinking carefully)
Have you decided on a name for the new-born baby?
Deck out (to decorate a room or street for a special occasion)
Most of the streets were decked out with Buddhist flags for the Vesak festival.
Declare against (to publicly state that you disagree with something or someone)
The trade unions in the health sector have declared against the new bill.
Declare for (to publicly state that you support something or someone)
The king abdicated when the national referendum declared for a republic.
Defer to (to accept someone else’s opinion because they know more than you)
I defer to the accountant’s decision because he knows more about financial matters more than me.
Delight in (to get a lot of pleasure from something unpleasant)
Some people seem to delight in telling everyone about the mistakes other people make.
Deliver on (to fail to do what you have promised)
He was accused of failing to deliver on his promise to make life better for his family.
Deliver over (to give something or someone to a person in authority)
The thieves were delivered over to the police.
Delve into (to examine something carefully)
I don’t wish to delve too deep into your past.
Depart from (to be different from the expected way of doing something)
The film departs from every cinematic convention.
Depend on (to need the help of something or someone in order to survive)
Children depend on their parents for everything they need.
Depend on (to trust someone to do what you expect them to do)
I cannot depend on him to do anything properly.
Deprive of (to take something important away from someone) If you are deprived of adequate sleep, you will not function properly.
Derive from (to get something from something else)
We will derive great benefits from the Port City project.
Descend from (to have developed from something which existed in the past)
According to the Theory of Evolution, human beings descended from apes.
Descend on / upon (to arrive without warning or without being invited)
After the bomb explosion, reporters and photographers descended on the hotel.