radiant

/ˈreɪdiənt/ (bre, ipa) · [rˈedˌiənt] /ˈreɪdiənt/ (ame, ipa) · [rˈedˌiənt] /ˈrā-dē-ənt/ (ame, mw)

radiant — 形容詞

  • radiantpositive
  • more radiantcomparative
  • most radiantsuperlative

1. having a face or expression that seems to glow because you feel very happy, are

1.形容詞B2
釋義

容光煥發

因快樂、愛或健康而面露光彩

having a face or expression that seems to glow because you feel very happy, are in love, or are in very good health.

例句

Salma's face was radiant with joy when she opened the acceptance letter.

Salma 打開錄取通知書時，臉上洋溢著容光煥發的喜悅。

radiant with joy — cause collocation

The bride looked absolutely radiant in her white wedding dress.

那位新娘穿著白色婚紗，看起來容光煥發。

radiant bride — wedding context

同義詞
  • beaming

    focuses on a broad, open smile rather than a full-face glow

  • glowing

    emphasises a warm, healthy look in the skin, often from exercise or good health

  • joyful

    describes the inner feeling more than the visible expression

反義詞
  • dull

    lacking brightness or liveliness in expression

  • gloomy

    sad or depressed, the opposite of showing happiness

文法句型

be + radiant

be + radiant + with + noun

radiant + noun (attributive)

用法筆記

Common in wedding descriptions and emotional contexts. Frequently takes the structure 'radiant with + (joy / happiness / health / love).'

常見錯誤

❌She looked radiant of happiness.
✅She looked radiant with happiness.
💡The correct preposition after 'radiant' when describing the cause is 'with,' not 'of.'

2. sending out a bright, warm light or heat that spreads outward from the source.

2.形容詞B2
釋義

光芒四射

向外放射明亮光線或熱能

sending out a bright, warm light or heat that spreads outward from the source.

例句

The morning sun cast a radiant light across the still lake.

早晨的陽光在平靜的湖面上灑下一片光芒。

radiant light — natural light source

Rin installed a radiant heating system under the bathroom floor tiles.

Rin 在浴室地磚底下安裝了一套輻射暖氣系統。

radiant heating — technical/physical use

同義詞
  • bright

    more general and everyday; does not suggest rays spreading outward

  • glowing

    suggests a steady, warm light rather than strong beams

  • luminous

    more formal; describes objects that emit or reflect their own light

反義詞
  • dim

    lacking brightness or light

  • dull

    not shining or reflecting light well

文法句型

radiant + noun (attributive)

be + radiant

用法筆記

Often used attributively before nouns such as 'heat,' 'energy,' 'heating,' and 'light.' In everyday speech, 'bright' or 'glowing' are more common for describing ordinary light sources.

常見錯誤

❌The fire gives radiant warmth.
✅The fire gives radiant heat.
💡'Radiant' pairs naturally with 'heat' and 'light,' but 'radiant warmth' sounds unnatural in English.