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  2. /chron
  3. /chronic

chronic

UK/'krɒnik/US
IELTSTOEFLGREB1

Definitions

adj.

(Of an illness or problem) lasting a long time or constantly recurring; long-term, persistent.

(疾病或问题)长期的,慢性的;持续不断的

adj.

(Of a habit or fault) having a deeply ingrained, persistent bad habit; inveterate.

(习惯或毛病)积习难改的,习惯性的

Root Breakdown

Root-derived
chrontime
+
-icrelating to, having the nature of
=chronic

chron (time) + -ic (relating to) = 'concerning time' → 'running along time.' A chronic condition is one stretched out over time — it persists instead of passing. That's why it's the medical opposite of acute (sudden and short), and why a chronic habit is one so long-running it's become permanent.

Root chron still carries 4 more words

Why It Means This

Chronic almost always carries a negative charge. The original medical sense (a chronic disease, chronic pain) is about an illness that won't leave. From there it generalized to any persistent bad thing — chronic shortages, chronic unemployment, a chronic complainer. You won't hear 'chronic joy': the word implies something undesirable that has settled in for the long haul. Pair it mentally with its antonym acute to lock in the time contrast.

Common Collocations

  • 1.chronic disease慢性病
  • 2.chronic pain慢性疼痛
  • 3.chronic condition慢性疾病
  • 4.chronic shortage长期短缺
  • 5.chronic illness慢性疾病

Example Sentences

  • 1.

    She suffers from chronic back pain that no treatment seems to ease.

  • 2.

    The region faces a chronic shortage of clean drinking water.

  • 3.

    He's a chronic latecomer, so we always tell him meetings start early.

Easily Confused

chronic vs acute — In medicine these are opposites along the time axis. Acute means sudden, intense, and short (an acute injury); chronic means slow, persistent, and long-lasting (a chronic illness). Note that in casual British slang 'acute' can also mean severe, but the core contrast is duration: short burst → acute; drags on → chronic.

Word Forms

Adjective

Comparativemore chronic
Superlativemost chronic

Derivatives

chronically
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