contaminative

con·tam·i·nate  (kn-tm-nt)

tr.v. con·tam·i·nated, con·tam·i·nat·ing, con·tam·i·nates

1. To make impure or unclean by contact or mixture.

2. To expose to or permeate with radioactivity.

adj. Archaic (-nt)

Contaminated.

---

[Middle English contaminaten, from Latin contminre, contmint-; see tag- in Indo-European roots.]

---

con·tami·native adj.

con·tami·nator n.

Synonyms: contaminate, befoul, foul, poison, pollute, taint
These verbs mean to make dirty or impure: pesticides that contaminated the lake; mud that befouled my shoes; noxious fumes that foul the air; drugs that poisoned her mind; air polluted by exhaust; food tainted through improper storage.

Thesaurus

Adj.

1.

contaminative - making impure by contact or mixing infected, septic - containing or resulting from disease-causing organisms; "a septic sore throat"; "a septic environment"; "septic sewage"