erratically
UK/i'rætikәli/US
TOEFLC2
Definitions
adv.
In an unpredictable, irregular way; without a steady pattern.
不规律地，飘忽不定地，反复无常地。
Root Breakdown
Root-derivederraticwander, stray, go astray (→ make a mistake)
+
-allyto make, having
=erratically
erratic + -ally = the adverb of erratic: 'in a wandering, unpredictable manner.' See erratic for the full story.
Example Sentences
- 1.
The old engine ran erratically, speeding up and slowing down on its own.
- 2.
Prices have been moving erratically since the announcement.