Synonym: blighter, cuss, gadfly, pesterer, pestilence, pestis, plague. Similar words: pesto, pester, pestle, tempest, tapestry, pestering, pestilent, pesticide. Meaning: [pest] 
n. 1. a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal 2. any epidemic disease with a high death rate 3. a persistently annoying person 4. any unwanted and destructive insect or other animal that attacks food or crops or livestock etc..
n. 1. a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal 2. any epidemic disease with a high death rate 3. a persistently annoying person 4. any unwanted and destructive insect or other animal that attacks food or crops or livestock etc.. 
Random good picture Not show
1. That disobedient boy is a pest.
2. Police are looking for a sex pest who is frightening late-night travellers.
3. That child is an absolute pest he keeps ringing the doorbell and then running away!
4. The pest control officer put bowls of rat poison in the attic.
5. Put that back, you little pest!
6. That child is being a real pest.
7. Natural methods of pest control are now taking the place of chemicals.
8. Vincent's constant demands for attention were becoming a pest.
9. A multidisciplinary approach to pest management is essential.
10. Transmitted by green fly and other sucking pest.
11. Everywhere it has become a pest.
12. Stop being such a pest,(sentencedict.com) Timothy.
13. The local Rentokil pest control branch were contacted to see if they could help.
14. Destroying one pest leaves a vacuum that will be filled by something else.
15. They say a pest control campaign is needed to stop a squirrel population explosion.
16. A fundamental precaution against both pest and disease problems is keeping the garden clean and tidy.
17. He thought it was a phone pest until police collared the culprit with a phone tap.
18. The house longhorn beetle is another insect pest which seems to be confined to parts of Hampshire and south-west Surrey.
19. During the war, peregrines were declared a pest because they used to attack carrier pigeons and prevent messages reaching their destination.
20. With a perversity that the pest has become known for, the gypsy moth came roaring back a couple of years later.
21. There are three kinds of friends: best friends, guest friends, and pest friends.
21. Sentencedict.com is a sentence dictionary, on which you can find excellent sentences for a large number of words.
22. He climbed on the table, pulled my hair, and was generally a pest.
23. Any sudden increase in the number of a particular pest, however, need immediate action.
24. I fear that from becoming perhaps a local nuisance he will become a pest.
25. The researchers were actually working on a mouse contraceptive vaccine for pest control, according to New Scientist.
26. Creeping thistle, haunt of the charming meadow brown butterfly, can become a real pest if it gets a foothold.
27. Healthy root development is reflected in robust top growth and an ability to withstand drought, pest and disease problems.
28. The advice often given is to dip heavily-populated rocks in boiling water to eradicate the pest.
29. The heron gobbled up land crabs which, without the herons, had become a pest on the islands.
30. Six devices have been sent to people with links to pest control, farming and hunting in the past fortnight.
More similar words: pesto, pester, pestle, tempest, tapestry, pestering, pestilent, pesticide, pestilence, tempestuous, pestilential, manifest destiny, peso, pipes, pesky, grapes, stripes, campesino, pessimism, pessimist, learn the ropes, pessimistic, typesetting, genital herpes, jest, west, rest, zest, test, quest.