infestin‧fest /ɪnˈfest/ verb [transitive] 
The kitchen was infested with cockroaches.shark-infested/rat-infested etc shark-infested waters2if a place is infested with things or people you do not want, there are too many of them therebe infested with something an area infested with holiday homesGRAMMAR Infest is usually passive.—infestation /ˌɪnfeˈsteɪʃən/ noun [countable, uncountable]
WORD ORIGINinfest
Origin:
1500-1600 French infester, from Latin, from infestus ‘angry and unfriendly’VERB TABLE
infest
| Simple Form | ||
| Present | I, you, we, they | infest |
| he, she, it | infests | |
| Past | I, you, he, she, it, we, they | infested |
| Present perfect | I, you, we, they | have infested |
| he, she, it | has infested | |
| Past perfect | I, you, he, she, it, we, they | had infested |
| Future | I, you, he, she, it, we, they | will infest |
| Future perfect | I, you, he, she, it, we, they | will have infested |
| Continuous Form | ||
| Present | I | am infesting |
| he, she, it | is infesting | |
| you, we, they | are infesting | |
| Past | I, he, she, it | was infesting |
| you, we, they | were infesting | |
| Present perfect | I, you, we, they | have been infesting |
| he, she, it | has been infesting | |
| Past perfect | I, you, he, she, it, we, they | had been infesting |
| Future | I, you, he, she, it, we, they | will be infesting |
| Future perfect | I, you, he, she, it, we, they | will have been infesting |
EXAMPLES FROM OTHER DICTIONARIES
- mosquito-infested swamps
WORD SETS
aerobic, adjectiveafterbirth, nounalgae, nounalimentary canal, nounamber, nounameba, nounamino acid, nounamoeba, nounanaconda, nounanaerobic, adjectiveandrogynous, adjectiveantibody, nounantigen, nounantitoxin, nounappendage, nounarm, nounarmour, nounasexual, adjectiveassimilation, nounatrophy, verbaviary, nounbacteria, nounbacteriology, nounbarnacle, nounbile, nounbinocular vision, nounbio-, prefixbiochemistry, nounbiodegradable, adjectivebiodiversity, nounbiohazard, nounbiological, adjectivebiological clock, nounbiology, nounbiomass, nounbiome, nounbiosphere, nounblind, nounbrain, nounbreathe, verbbreed, verbbreed, nounbreeding, nounbristle, nounbulb, nouncapsule, nouncarbohydrate, nouncarbon dioxide, nouncarnivore, nouncell, nouncellular, adjectivecellulose, nouncentral nervous system, nouncervical, adjectivecholesterol, nounchromosome, nouncirculation, nouncirculatory, adjectiveclass, nounclone, nouncold-blooded, adjectiveconceive, verbconch, nounconnective tissue, nouncopulate, verbcoral reef, nouncornea, nouncoronary, adjectivecorpuscle, nouncortex, nouncortisone, nouncowrie, nouncrab, nouncrawfish, nouncrayfish, nouncreature, nouncross, verbcrossbreed, nounculture, nouncytoplasm, noundecay, verbdecay, noundecompose, verbdefecate, verbdenizen, noundextrose, noundiaphragm, noundigest, verbdigestion, noundigestive, adjectiveDNA, noundorsal, adjectivedry rot, nounduct, noundwarf, noundwarf, adjectiveecological, adjectiveecology, nounecosystem, nounegg, nounejaculate, verbembryo, nounembryonic, adjectiveenzyme, nounepidermis, nounevolution, nounevolutionary, adjectiveexcrement, nounexcrescence, nounexcrete, verbexcretion, nounexhale, verbexoskeleton, nounextinction, nounfaeces, nounfamily, nounfang, nounfat, nounfatty acid, nounfauna, nounfeces, nounfeed, verbfemale, adjectivefemale, nounferment, verbferment, nounfertile, adjectivefertility, nounfertilize, verbfission, nounflank, nounflatulence, nounflesh, nounfleshy, adjectiveflightless, adjectiveflora, nounfoetal, adjectivefoetus, nounfoliage, nounfossil, nounfreak, nounfreshwater, adjectivefructose, noungamete, nounganglion, noungene, noungene pool, noungenera, genetic, adjectivegenetic code, noungenetic engineering, noungenetic fingerprinting, noungenetics, noungenome, noungenus, noungestation, noungland, nounglandular, adjectiveglucose, noungluten, noungonad, noungrass snake, noungrow, verbgrowth, nounhabitat, nounhaemoglobin, nounhearing, nounheart, nounhemisphere, nounherbivore, nounhereditary, adjectiveheredity, nounhermaphrodite, nounhibernate, verbhistamine, nounhoming, adjectivehormone, nounhost, nounimpregnate, verbimpulse, nounincubate, verbindigenous, adjectiveinfected, adjectiveinfertile, adjectiveinfest, verbingest, verbinhale, verbinseminate, verbinsensate, adjectiveinsulin, nounintegument, nounintercourse, nouninterferon, nounintestine, nouninvertebrate, nouninvoluntary, adjectiveiris, nounjaw, nounjelly, nounkidney, nounkrill, nounlactate, verblactation, nounlactic acid, nounleech, nounleg, nounlesser, adjectivelichen, nounlife, nounlife cycle, nounlife form, nounligament, nounlimb, nounlimpet, nounlipid, nounliver, nounliving fossil, nounlocomotion, nounlymph, nounlymph node, nounmale, adjectivemale, nounmammal, nounmandible, nounmate, nounmate, verbmembrane, nounmetabolism, nounmetabolize, verbmetamorphosis, nounmicrobe, nounmicrobiology, nounmicroorganism, nounmicroscopic, adjectivemigrate, verbmigratory, adjectivemiscarriage, nounmolar, nounmorphology, nounmotor, adjectivemould, nounmouth, nounmucous membrane, nounmucus, nounmulticellular, adjectivemuscle, nounmuscular, adjectivemutant, nounmutate, verbmutation, nounnatural history, nounnatural selection, nounnature, nounneck, nounnectar, nounnerve, nounnervous, adjectivenervous system, nounneural, adjectiveneuro-, prefixneurology, nounnode, nounnose, nounnostril, nounnucleic acid, nounnucleus, nounnutrient, nounnutriment, nounoesophagus, nounoestrogen, nounolfactory, adjectiveoptic, adjectiveorgan, nounorganic, adjectiveorganic chemistry, nounorganism, nounorifice, nounossify, verbosteo-, prefixoutgrowth, nounova, ovary, nounoverwinter, verboviduct, nounoviparous, adjectiveovulate, verbovum, nounparasite, nounpathogen, nounpedigree, nounpelvic, adjectivepelvis, nounpenile, adjectivepenis, nounpepsin, nounperiod, nounperspiration, nounperspire, verbphotosynthesis, nounphylum, nounpigment, nounpigmentation, nounplankton, nounplasma, nounpollinate, verbpostnatal, adjectivepregnancy, nounpregnant, adjectivepremature, adjectiveprenatal, adjectiveproduct, nounproliferation, nounpropagate, verbprotein, nounprotoplasm, nounprotozoan, nounpuberty, nounpulmonary, adjectivepulp, nounpulsation, nounputrefy, verbputrid, adjectivered blood cell, nounregurgitate, verbrenal, adjectivereproduce, verbreproduction, nounreproductive, adjectiverespiration, nounrespiratory, adjectiverespire, verbretina, nounroot, nounrot, verbrot, nounruff, nounsac, nounsaliva, nounsalivary gland, nounsalivate, verbsaltwater, adjectivescale, nounscallop, nounscaly, adjectivesebaceous, adjectivesecrete, verbsecretion, nounsemen, nounsense organ, nounsensory, adjectiveserum, nounsex, nounsex, verbsexless, adjectivesexual intercourse, nounsheath, nounshell, nounsibling, nounskeletal, adjectiveskeleton, nounskin, nounskull, nounspasm, nounspasmodic, adjectivespecies, nounspecimen, nounsperm, nounspiderweb, nounspinal cord, nounspine, nounspineless, adjectivestarch, nounstem cell, nounstimulate, verbstimulus, nounstrain, nounsubject, nounsubspecies, nounsucker, nounsucrose, nounsweat, verbsweat, nounsweat gland, nounsymbiosis, nounsystemic, adjectivetail, nountaxonomy, nounteeth, testosterone, nountest-tube baby, nountissue, nountrachea, nountube, noununicellular, adjectiveurethra, nounuric, adjectiveurinate, verburine, nounvariety, nounvector, nounvein, nounvenom, nounvenomous, adjectiveventricle, nounvertebra, nounvertebrate, nounvivisection, nounwarm-blooded, adjectivewean, verbwildlife, nounwindpipe, nounyolk, noun
COLLOCATIONS FROM THE ENTRY shark-infested watersCOLLOCATIONS FROM OTHER ENTRIES
1if insects, rats etc infest a place, there are a lot of them and they usually cause damagebe infested with something shark-infested waters (=waters where there are a lot of sharks)
The kitchen was infested with cockroaches.shark-infested/rat-infested etc shark-infested waters2if a place is infested with things or people you do not want, there are too many of them therebe infested with something an area infested with holiday homesGRAMMAR Infest is usually passive.—infestation /ˌɪnfeˈsteɪʃən/ noun [countable, uncountable]