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.
Sort out (to successfully deal with a problem or difficult situation)
I had a few problems with my computer to be sorted out.
Sound off (to express your opinion loudly, especially in order to complain about someone or something)
Protesters sounded off about the way politicians should govern the country.
Soup up (to improve something by making it more powerful or interesting)
Mechanics are trying to soup up the old machines in the factory.
Space out (to arrange things so that there is enough space or time between them)
He instructed the farmers to space out the plants.
Spark off (if something sparks off an activity, it causes it to suddenly happen or exist)
The riots sparked off violence throughout the island.
Speak out (to publicly express your opinion, especially in order to criticise or oppose someone)
You will lose your job if you speak out against your superiors.
Speak up (to publicly express your opinion about someone or something, especially in order to support them)
He has always spoken up for human rights.
Speed up (to happen or move quickly or to make something happen or move more quickly)
This drug will speed up your heart rate.
Spell out (to explain something in detail and in a clear way)
The circular clearly spells out the correct procedure for dealing with animals.
Spew up (to vomit)
She was spewing up all night after the party.
Spice up (to make something more interesting or exciting)
Some people spice up their speeches with jokes.
Spill out (to flow or fall out of a container)
Oil is spilling out of the damaged pipeline.
Spill over (if the liquid in a container spills over, it flows over its edge)
Be careful, your soup might spill over.
Spin off (to produce a useful but unexpected result from an activity)
The Indian space program has spun off a new computer technology.
Spin out (to make something continue as long as possible)
If there are unfinished reports, try to spin them out.
Spirit away (to remove someone or something from a place quickly and secretly)
The ousted President was spirited away by his bodyguards.
Spit out (to get rid of something in your mouth by blowing it out)
When you eat melon you have to spit out the seeds.
Splash down (if a space vehicle splashes down, it lands in the sea)
The spacecraft splashed down in the Indian Ocean.
Splash out (to spend a lot of money on something which is very pleasant but which you do not need)
After the match we went to a big hotel to splash out.
Split off (if something splits off, it becomes separated from something else)
After the blast small pieces of rock split off.
Split up (to divide something into smaller parts)
The class had over 100 students, so we had to split it up into smaller groups.
Spoil for (if someone is spoiling for trouble or a fight, they are very eager to have an argument or fight)
I think Roger is spoiling for a fight.
Sponge down (to clean something by rubbing it with a wet sponge)
Use some detergent and sponge down the stain.
Sponge off (to get money from someone without intending to pay it back)
Some people sponge off their friends.