defined

• 指某事物具有清晰的轮廓、明确的界限或已确定的意义；也指被清楚地说明或规定。

Describes something that is clearly outlined, marked, or established with distinct boundaries or meaning.

1. Clearly described or explainedB1formal

   Having a clear and precise meaning or description.

   明确的

   • The terms of the contract are clearly defined.
   • Each role in the team is well defined.
   • The problem is not yet fully defined.

   同义词cleardelineateddistinctexplicitformulatedprecisespecificstatedunambiguous

   反义词ambiguousequivocalhazyimpreciseindefiniteobscureunclearvague

2. Having clear boundaries or shapeB2formal

   Having a distinct outline or shape that is easy to see.

   轮廓清晰的

   • The mountain had a sharply defined peak against the sky.
   • Her muscles were well defined after months of training.
   • The edges of the shadow were sharply defined.

   同义词clearcrispdelineateddistinctoutlinedsharp

   反义词amorphousblurryfuzzyindefiniteobscureunclearvague

• 动词，用于精确说明或描述某事物的性质、范围或含义；也可表示明确界定、规定或阐明。

A verb used to state or describe exactly the nature, scope, or meaning of something.

1. State the meaningA2formal

   To explain or state the precise meaning of a word, phrase, or concept.

   定义

   • The dictionary defines 'love' as a strong affection.
   • Can you define the term 'photosynthesis'?
   • The teacher asked the students to define the key vocabulary words.

   同义词clarifydescribeelucidateexplainexpoundglossinterpretparaphrasespell out

   反义词confuseequivocateobscure

2. Mark the limitsB2formal

   To mark out the boundaries or limits of something.

   界定界限

   • The river defines the border between the two countries.
   • Clear rules define the scope of the project.
   • The contract defines the responsibilities of each party.

   同义词boundcircumscribedelimitdelineatedemarcatemark off

3. Characterize or distinguishB2formal

   To be a characteristic or distinctive feature of someone or something.

   界定

   • Her dedication defines her as a leader.
   • The unique architecture defines the city's skyline.
   • What defines a successful career in your opinion?

   同义词characterizedistinguishmarktypify