indefinite

• 形容词，指没有明确界定、不确定、未确定或不受限制的。

An adjective describing something that is not clearly defined, determined, or limited.

1. Vague or not clearly definedB2formal

   Not clearly expressed, described, or limited; lacking exactness.

   模糊的

   • The instructions were too indefinite to follow.
   • She gave an indefinite answer to the question.
   • His plans for the weekend are still indefinite.

   同义词ambiguousblurredfuzzyhazyill-definedimpreciseinexactobscureunclearvague

   反义词certaincleardefiniteexactexplicitprecisespecific

2. Not decided or not knownB2formal

   Having no fixed end, limit, or outcome; uncertain or undetermined.

   不确定的

   • The date of the event remains indefinite.
   • She was sentenced to an indefinite period of detention.
   • The outcome of the negotiations is indefinite.

   同义词indeterminateuncertainunclearundefinedundeterminedunknownunresolvedunsettledunspecifiedvague

   反义词certaindefinitedeterminedfixedsettled

3. Grammar: not specificC1formal

   Referring to a word or phrase that does not specify a particular person, thing, or amount.

   不定的

   • The indefinite article 'a' is used before consonant sounds.
   • 'Anyone' is an indefinite pronoun.
   • Indefinite adjectives like 'some' and 'many' are common.

   同义词generalindeterminatenonspecificunspecified