Word.ws English Dictionary

Past tense of realize

regular verb

The past tense of realize is realized. The past participle is also realized.

Forms of realize

Base form (V1)realize /ˈɹɪə.laɪz/
Past tense (V2)realized /ˈɹɪə.laɪzd/
Past participle (V3)realized /ˈɹɪə.laɪzd/
Present participlerealizing /ˈɹɪə.laɪzɪŋ/
Third person singularrealizes

Realized in a sentence

  • He realized that he had left his umbrella on the train.
  • I realized at once that indescribable quiver in the air of momentous events.1916 January, Hugh Walpole, “The Forest”, in The Dark Forest, London: Martin Secker […], →OCLC, part II, page 245
  • She suddenly felt strange, and only then realized she'd been drugged.From the entry drug
  • She suddenly felt strange. She realized her drink must have been drugged.From the entry drug
  • Once arrested, I realized that handcuffs are concrete, even if my concept of what is legal wasn't.From the entry concrete

Meaning of realize

  1. verb To become aware of, understand, or appreciate (a fact or situation, especially something which has been true for some time).
  2. verb To sense (something) strongly or vividly as if real.
  3. verb To cause (something) to seem real; to make realistic; specifically, to present (something) clearly to the mind, a person, (archaic) oneself, etc., so that it seems real.

Full definition of realize

Questions about the past tense of realize

What is the past tense of realize?
The past tense of realize is realized.
What is the past participle of realize?
The past participle of realize is realized.
Is realize a regular or irregular verb?
Realize is a regular verb: its past tense adds -d.

Source and license

Adapted from Wiktionary: realize (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.

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