senescent

IPA/sɪˈnesnt/
IPA/sɪˈnesnt/

senescent — 形容詞

  • senescentpositive
  • more senescentcomparative
  • most senescentsuperlative

1. having reached an old stage where a living thing, body part, or system is starti

1.形容詞C2
釋義

老化的

因年老而開始衰弱的

having reached an old stage where a living thing, body part, or system is starting to weaken and work less effectively.

例句

By late summer, the senescent leaves on the vine had turned yellow and thin.

到了夏末，那株藤上的老化葉片已經變黃，也變薄了。

senescent + plant part in biology writing

Doctors found senescent cells in the damaged skin around the burn.

醫師在燒傷周圍受損的皮膚裡發現了老化細胞。

senescent cells — common medical context

同義詞
  • aging

    broader and more neutral; does not always suggest clear decline yet

  • elderly

    used mainly for people and sounds less technical

  • decrepit

    much stronger and more negative, suggesting severe weakness or damage

反義詞
  • young

    opposite in age stage

  • vigorous

    emphasizes strong healthy function rather than age alone

文法句型

be senescent

senescent + noun

用法筆記

Mostly used in formal, medical, or biological writing. It often describes cells, tissues, leaves, or systems when age is already causing weaker performance, not just greater age.

常見錯誤

❌My senescent laptop needs a new battery.
✅My old laptop needs a new battery.
💡senescent is mainly a formal word for living things, tissues, or systems affected by aging, not everyday objects.
❌My senescent uncle still runs every day.
✅My elderly uncle still runs every day.
💡senescent sounds clinical and stresses decline from age, while elderly is the neutral everyday choice for a person.