radiant

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

radiant — adjective

  • 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

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.

radiant with joy — cause collocation

The bride looked absolutely radiant in her white wedding dress.

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

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.

radiant light — natural light source

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

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.