- 1[transitive, intransitive] (of a liquid, gas, etc.) to spread to every part of an object or a place permeate something The smell of leather permeated the room. The air was permeated with the odour of burning rubber. + adv./prep. rainwater permeating through the ground
- 2[transitive, intransitive] (of an idea, an influence, a feeling, etc.) to affect every part of something permeate something a belief that permeates all levels of society A feeling of unease permeates the novel. + adv./prep. Dissatisfaction among the managers soon permeated down to members of the workforce. Word Originmid 17th cent.: from Latin permeat- ‘passed through’, from the verb permeare, from per- ‘through’ + meare ‘pass, go’.
BrE BrE//ˈpɜːmieɪt//; NAmE NAmE//ˈpɜːrmieɪt//(formal)Verb Forms present simple I / you / we / they permeate
BrE BrE//ˈpɜːmieɪt//; NAmE NAmE//ˈpɜːrmieɪt//he / she / it permeates
BrE BrE//ˈpɜːmieɪts//; NAmE NAmE//ˈpɜːrmieɪts//past simple permeated
BrE BrE//ˈpɜːmieɪtɪd//; NAmE NAmE//ˈpɜːrmieɪtɪd//past participle permeated
BrE BrE//ˈpɜːmieɪtɪd//; NAmE NAmE//ˈpɜːrmieɪtɪd//-ing form permeating
BrE BrE//ˈpɜːmieɪtɪŋ//; NAmE NAmE//ˈpɜːrmieɪtɪŋ//