Synonyms of the word

contaminate

• v. (transitive) To make something dangerous or toxic by introducing impurities or foreign matter.
• v. (transitive) To soil, stain, corrupt, or infect by contact or association.
• v. (transitive) To make unfit for use by the introduction of unwholesome or undesirable elements.
• v. To infect, often with bad objects.

alter

• v. (transitive) To change the form or structure of.
• v. (intransitive) To become different.
• v. (transitive) To tailor clothes to make them fit.
• v. (transitive) To castrate, neuter or spay (a dog or other animal).
• v. (transitive, obsolete) To agitate; to affect mentally.

begrime

• v. (transitive) To make something dirty; to soil.

bemire

• v. To soil (or be soiled) with mud.

change

• v. (intransitive) To become something different.
• v. (transitive, ergative) To make something into something different.
• v. (transitive) To replace.
• v. (intransitive) To replace one's clothing.
• v. (intransitive) To transfer to another vehicle (train, bus, etc.).
• v. (archaic) To exchange.
• v. (transitive) To change hand while riding (a horse).
• n. (countable) The process of becoming different.
• n. (uncountable) Small denominations of money given in exchange for a larger denomination.
• n. (countable) A replacement, e.g. a change of clothes.
• n. (uncountable) Money given back when a customer hands over more than the exact price of an item.
• n. (uncountable) Coins (as opposed to paper money).
• n. (countable) A transfer between vehicles.
• n. (baseball) A change-up pitch.
• n. (campanology) Any order in which a number of bells are struck, other than that of the diatonic scale.
• n. (dated) A place where merchants and others meet to transact business; an exchange.
• n. (Scotland, dated) A public house; an alehouse.

colly

• adj. (Britain, dialect) black as coal.
• v. (transitive, archaic) to make black, as with coal.
• n. (Britain, dialect) Soot.
• n. (Britain, dialect) A blackbird.
• n. (dated) Alternative spelling of collie.

dirty

• adj. Unclean; covered with or containing unpleasant substances such as dirt or grime.
• adj. That makes one unclean; corrupting, infecting.
• adj. Morally unclean; obscene or indecent, especially sexually.
• adj. Dishonourable; violating accepted standards or rules.
• adj. Corrupt, illegal, or improper.
• adj. Out of tune.
• adj. Of color, discolored by impurities.
• adj. (computing) Containing data which need to be written back to a larger memory.
• adj. (slang) Carrying illegal drugs among one's possessions or inside of one's bloodstream.
• adj. (informal) Used as an intensifier, especially in conjunction with "great".
• adj. Sleety; gusty; stormy.
• adv. In a dirty manner.
• v. (transitive) To make (something) dirty.
• v. (transitive) To stain or tarnish (somebody) with dishonor.
• v. (transitive) To debase by distorting the real nature of (something).
• v. (intransitive) To become soiled.

foul

• adj. Covered with, or containing unclean matter; dirty.
• adj. (of words or a way of speaking) obscene, vulgar or abusive.
• adj. Detestable, unpleasant.
• adj. Disgusting, repulsive; causing disgust.
• adj. (obsolete) Ugly; homely; poor.
• adj. (of the weather) Unpleasant, stormy or rainy.
• adj. Dishonest or not conforming to the established rules and customs of a game, conflict, test, etc.
• adj. (nautical) Entangled and therefore restricting free movement, not clear.
• adj. (baseball) Outside of the base lines; in foul territory.
• v. (transitive) To make dirty.
• v. (transitive) To besmirch.
• v. (transitive) To clog or obstruct.
• v. (transitive, nautical) To entangle.
• v. (transitive, basketball) To make contact with an opposing player in order to gain advantage.
• v. (transitive, baseball) To hit outside of the baselines.
• v. (intransitive) To become clogged.
• v. (intransitive) To become entangled.
• v. (intransitive, basketball) To commit a foul.
• v. (intransitive, baseball) To hit a ball outside of the baselines.
• n. (sports) A breach of the rules of a game, especially one involving inappropriate contact with an opposing…
• n. (bowling) A (usually accidental) contact between a bowler and the lane before the bowler has released…
• n. (baseball) A foul ball, a ball which has been hit outside of the base lines.

grime

• n. Dirt, grease, soot, etc. that is ingrained and difficult to remove.
• n. (music) A genre of urban music that emerged in London, England, in the early 2000s, primarily a development…
• v. To begrime; to cake with dirt.

modify

• v. (transitive) To make partial changes to.
• v. (intransitive) To be or become modified.

pollute

• v. (transitive) To make something harmful, especially by the addition of some unwanted product.
• v. (transitive) To make something or somewhere less suitable for some activity, especially by the introduction…
• v. (dated) To corrupt or profane.
• v. To violate sexually; to debauch; to dishonour.
• adj. (rare) Polluted.

soil

• n. (uncountable) A mixture of sand and organic material, used to support plant growth.
• n. (uncountable) The unconsolidated mineral or organic material on the immediate surface of the earth that…
• n. (uncountable) The unconsolidated mineral or organic matter on the surface of the earth that has been subjected…
• n. Country or territory.
• n. That which soils or pollutes; a stain.
• n. A marshy or miry place to which a hunted boar resorts for refuge; hence, a wet place, stream, or tract…
• n. Dung; compost; manure.
• v. (transitive) To make dirty.
• v. (intransitive) To become dirty or soiled.
• v. (transitive, figuratively) To stain or mar, as with infamy or disgrace; to tarnish; to sully.
• v. (reflexive) To dirty one's clothing by accidentally defecating while clothed.
• v. To make invalid, to ruin.
• v. To enrich with soil or muck; to manure.
• n. (uncountable, euphemistic) Faeces or urine etc. when found on clothes.
• n. (countable, medicine) A bag containing soiled items.
• n. A wet or marshy place in which a boar or other such game seeks refuge when hunted.
• v. To feed, as cattle or horses, in the barn or an enclosure, with fresh grass or green food cut for them,…