Word.ws English Dictionary

Past tense of penetrate

regular verb

The past tense of penetrate is penetrated. The past participle is also penetrated.

Forms of penetrate

Base form (V1)penetrate /ˈpɛnɪtɹeɪt/
Past tense (V2)penetrated /ˈpɛnɪtɹeɪtɪd/
Past participle (V3)penetrated /ˈpɛnɪtɹeɪtɪd/
Present participlepenetrating /ˈpɛnɪtɹeɪtɪŋ/
Third person singularpenetrates

Penetrated in a sentence

  • The native-born and the "naturalised" locomotives have been giving way to the standardised types, of which the L.M.S.R. class "5" 4-6-0 has led the way and has penetrated the furthest.1958 July, J. P. Wilson, “Scottish Soliloquy”, in Railway Magazine, page 495
  • Our results also identified the causative mutation of polydactylous Silkie was not exist in other nonpolydactyly chickens, suggesting that SNP of polydactyly in Silkie has fully penetrated all other indigenous Chinese chicken breeds.2016 February 10, “Parallel Evolution of Polydactyly Traits in Chinese and European Chickens”, in PLOS ONE, →DOI
  • As we penetrated further, the forest closed around us.From the entry close
  • Due to the thin layer of snow on the ground the frost line has penetrated unusually deep this year.From the entry frost line
  • They penetrated even the bozone layer of the Canadian Government, and the policy was temporarily withdrawn.2015, Elaine Coburn, edited by Emma LaRocque, More Will Sing Their Way to Freedom: Indigenous Resistance and Resurgence, Fernwood…. From the entry bozone layer

Meaning of penetrate

  1. verb To enter into; to make way into the interior of; to pierce.
  2. verb To achieve understanding of, despite some obstacle; to comprehend; to understand.
  3. verb To affect profoundly through the senses or feelings; to move deeply.

Full definition of penetrate

Questions about the past tense of penetrate

What is the past tense of penetrate?
The past tense of penetrate is penetrated.
What is the past participle of penetrate?
The past participle of penetrate is penetrated.
Is penetrate a regular or irregular verb?
Penetrate is a regular verb: its past tense adds -d.

Source and license

Adapted from Wiktionary: penetrate (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

Last updated:

Cite this page: “Past tense of penetrate.” Word.ws, https://word.ws/past-tense/penetrate. Based on Wiktionary, CC BY-SA 4.0.