imperfect

/ɪmˈpɜːfɪkt/ (bre, ipa) · /ɪmˈpɜːrfɪkt/ (ame, ipa) · /(ˌ)im-ˈpər-fikt/ (ame, mw) · /ɪmˈpɜː.fekt/ (bre, ipa) · /ɪmˈpɝː.fekt/ (ame, ipa)

imperfect — adjective

  • imperfectpositive
  • more imperfectcomparative
  • most imperfectsuperlative

1. not completely good or correct because there are faults or missing parts — for e

1.形容詞B1
釋義

not completely good or correct because there are faults or missing parts — for example, an imperfect plan that has not thought about all the costs, or a piece of pottery with tiny cracks in its surface.

例句

The carpenter rejected the wooden board because its surface had an imperfect finish with several rough patches.

collocation: imperfect finish / imperfect surface

Ana decided to serve the imperfect cake she had baked, even though one side was slightly burnt.

同義詞
  • flawed

    The closest synonym. 'Flawed' often suggests a minor weakness in something otherwise good, while 'imperfect' is broader.

  • defective

    Stronger than 'imperfect'. Implies something does not work properly or is below standard. Often used for products.

  • faulty

    Similar to 'defective', but common for mechanical or electrical problems. 'Faulty wiring' is more natural than 'imperfect wiring'.

反義詞
  • perfect

    Direct opposite. Something perfect has no faults or missing parts.

  • flawless

    Emphasizes the absence of any defects, especially in appearance or execution.

文法句型

imperfect + noun

be + imperfect

用法筆記

Describes objects, plans, skills, or systems that have minor flaws rather than major defects. Softer than 'defective' or 'faulty', which imply something does not work at all.

常見錯誤

This answer is not perfect.' (when the intended meaning is that it has clear mistakes).
This answer is imperfect.
💡'not perfect' is a softer judgment; 'imperfect' states directly that faults exist.
The machine is imperfect broken.
The machine is imperfect.
💡'imperfect' is an adjective, not a verb. Do not pair it with a past participle as if it were an adverb.

2. relating to a verb form that describes an action in the past that was continuing

2.形容詞C1
釋義

relating to a verb form that describes an action in the past that was continuing or not yet finished — used in languages like Spanish, French, and Italian to talk about ongoing past events, habits in the past, or background situations.

例句

In Italian class, Emeka learned the imperfect forms of the verb 'mangiare', which means 'to eat'.

Umi struggled to understand when to use the imperfect tense versus the simple past in Spanish.

contrast: imperfect tense vs. simple past

同義詞
  • past continuous

    English does not have an 'imperfect' tense but the past continuous is the closest functional equivalent.

文法句型

imperfect + verb form/tense/aspect

用法筆記

Only applies to languages that have a distinct imperfect verb form (e.g., Romance languages, Latin, Ancient Greek, Arabic). English does not have a separate imperfect tense — the past continuous (was/were + -ing) serves a similar function.

常見錯誤

In English, I use imperfect when I talk about yesterday.
In English, I use the past continuous (was/were + -ing) when I talk about ongoing past actions.
💡English does not have a distinct imperfect tense; this term is used for other languages.

imperfect — noun