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  2. /st
  3. /unstable

unstable

UK/ʌn'steɪb(ə)l/US/.ʌn'steibl/
TOEFLB2

Definitions

adj.

Not firm or steady; likely to change or collapse

不稳定的,不稳固的

adj.

(of a person) emotionally or mentally erratic

(人)情绪不稳的,反复无常的

Root Breakdown

Root-derived
un-not, reversal
+
stablstand, set, place
+
-ecapable of, worthy of
=unstable

un- (not) + stable (firm). Stable comes from Latin stabilis ('able to stand'), the stab- being the 'stand' root. Unstable = not able to stand firmly, ready to topple or change.

Root st still carries 376 more words

Common Collocations

  • 1.unstable situation不稳定的局势
  • 2.unstable government不稳定的政府
  • 3.emotionally unstable情绪不稳的
  • 4.highly unstable极不稳定的

Example Sentences

  • 1.

    The ladder felt unstable, so I climbed down.

  • 2.

    The country's political situation remains unstable.

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