Stop Woorden zijn woorden die geen grote betekenis te worden gebruikt in zoekopdrachten. Meestal zijn deze woorden worden gefilterd uit zoekopdrachten, omdat ze terugkeren enorme hoeveelheid overbodige informatie. Een betere definitie vindt u hieronder:

"Woorden die niet in de index in een bepaalde database, omdat ze ofwel onbeduidend (dat wil zeggen, artikelen, voorzetsels), of zo vaak voor dat de resultaten hoger zou zijn dan het systeem kan verwerken (zoals in het geval van IUCAT waar termen als Verenigde Staten of afdeling zijn stop woorden in trefwoord zoeken.) Stop woorden varieert van systeem tot systeem. Ook zullen sommige systemen alleen maar te negeren stopwoorden waar het gebruik van stopwoorden in andere systemen zal leiden tot het ophalen van nul hits. "

Hier is een PHP-array met deze woorden:

 $ Stopwoorden = array ("a", "ongeveer", "boven", "boven", "over", "na", "daarna", "weer", "tegen", "all", "bijna", " alone "," langs "," reeds "," ook "," hoewel "," altijd "," ben "," onder "," onder "," amoungst "," bedrag "," een "," en " , "een ander", "alle", "hoe dan ook", "iedereen", "alles", "Toch", "overal", "zijn", "rond", "als", "at", "terug", " zijn "," werd "," want "," worden "," wordt "," steeds "," zijn "," voor "," op voorhand "," achter "," zijn "," onder "," naast " , "naast", "tussen", "voorbij", "bill", "beide", "bottom", "maar", "door", "call", "kan", "kan niet", "cant", " co "," con "," zou kunnen "," couldnt "," huilen "," de "," beschrijven "," detail "," do "," gedaan "," down "," te wijten "," tijdens " , "elk", "bijvoorbeeld", "acht", "ofwel", "elf", "anders", "elders", "leeg", "genoeg", "etc", "even", "ooit", " elk "," iedereen "," alles "," overal "," behalve "," weinig "," vijftien "," fify "," vullen "," find "," vuur "," eerste "," vijf " , "voor", "voormalige", "vroeger", "veertig", "gevonden", "vier", "uit", "voor", "vol", "verder", "get", "geef", " go "," had "," heeft "," heeft niet "," de "," hij "," vandaar "," haar "," hier "," hierna te noemen "," hierbij "," hierin "," Hierop " , "haar", "zelf", "hem", "zelf", "zijn", "hoe", "hoe", "honderd", "dat wil zeggen", "if", "in", "inc", " inderdaad "," belang "," in "," is "," het "," de "," zelf "," te houden "," laatste "," laatste "," den laatsten tijd "," tenminste "," minder " , "ltd", "maakte", "veel", "kan", "mij", "Ondertussen", "zou kunnen", "molen", "van mij", "meer", "bovendien", "de meeste", " meestal "," bewegen "," veel "," moet "," mijn "," mezelf "," naam "," te weten "," geen "," nooit "," toch "," next "," negen " , "nee", "niemand", "geen", "niemand", "noch", "niet", "niets", "nu", "nergens", "van", "off", "vaak", " on "," een keer "," een "," alleen "," op "," of "," andere "," anderen "," anders "," onze "," ons "," ons "," out " , "over", "eigen", "deel", "per", "misschien", "alsjeblieft", "put", "in plaats van", "re", "dezelfde", "zie", "lijken", " leek "," lijken "," lijkt "," ernstig "," verschillende "," zij "," zouden "," show "," kant "," aangezien "," oprecht "," zes "," zestig " , "zo", "sommige", "een of andere manier", "iemand", "iets", "ooit", "soms", "ergens", "nog steeds", "zoals", "systeem", "neem", " tien "," dan "," dat "," de "," hun "," hen "," zelf "," en dan "," daar "," er "," daarna "," waardoor "," daarom " , "daarin", "daarop", "deze", "zij", "thickv", "dunne", "derde", "dit", "hen", "al is", "drie", "door", " heel "," thru "," dus "," naar "," samen "," te "," top "," naar "," naar "," twaalf "," twintig "," twee "," un " , "onder", "tot", "up", "op", "ons", "zeer", "via", "was", "wij", "goed", "waren", "wat", " wat "," wanneer "," van waar "," wanneer "," waar "," waarna "," terwijl "," waarbij de "," waarin "," waarna "," waar "," of de "," die " , "terwijl", "waarheen", "wie", "wie", "geheel", "wie", "van wie", "waarom", "zullen", "met", "binnen", "zonder", " behoren "," nog niet "," u "," uw "," jou "," jezelf "," jezelf "," de ");