| INFILL | • infill v. To fill in a space, hole or gap. • infill v. (Urban studies) To rededicate land in an urban environment to new construction. • infill n. That which fills in a space, hole or gap. | 
| INFILLS | • infills n. Plural of infill. • infills v. Third-person singular simple present indicative form of infill. • in-fills n. Plural of in-fill. | 
| INFILLED | • infilled v. Simple past tense and past participle of infill. • INFILL v. to fill in. | 
| INFILLING | • infilling v. Present participle of infill. • infilling n. Infilled material. • INFILLING n. material used to fill up or level. | 
| INFILLINGS | • infillings n. Plural of infilling. • INFILLING n. material used to fill up or level. | 
| INFILTRATE | • infiltrate v. (Transitive, intransitive) To surreptitiously penetrate, enter or gain access to. • infiltrate v. (Transitive) To cause to penetrate in this way. • infiltrate v. (Transitive, intransitive, of a liquid) To pass through something by filtration. | 
| INFILTRATED | • infiltrated v. Simple past tense and past participle of infiltrate. • INFILTRATE v. to cause to filter into. | 
| INFILTRATES | • infiltrates v. Third-person singular simple present indicative form of infiltrate. • INFILTRATE v. to cause to filter into. | 
| INFILTRATOR | • infiltrator n. One who infiltrates an organization or territory; an undercover or covert agent. • INFILTRATOR n. one who infiltrates. | 
| INFILTRATING | • infiltrating v. Present participle of infiltrate. • INFILTRATE v. to cause to filter into. | 
| INFILTRATION | • infiltration n. The act or process of infiltrating, as of water into a porous substance, or of a fluid into the cells… • infiltration n. The substance which has entered the pores or cavities of a body. • infiltration n. The act of secretly entering a physical location and/or organization. | 
| INFILTRATIVE | • infiltrative adj. That infiltrates. • INFILTRATIVE adj. tending to infiltrate. | 
| INFILTRATORS | • infiltrators n. Plural of infiltrator. • INFILTRATOR n. one who infiltrates. | 
| INFILTRATIONS | • infiltrations n. Plural of infiltration. • INFILTRATION n. the act of infiltrating. |