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Words and Their StoriesLearning Expressions with VOA
Processed with VS1Compare words for unpredictable behavior, changing opinions, and losing your temper—without diagnosing people.
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Source: VOA Learning English · Words and Their Stories
View original article & transcriptThe episode contrasts “loose cannon,” “unpredictable,” “fickle,” and “volatile.” A loose cannon is presented as someone whose unpredictable behavior can create problems for others; fickle describes changing opinions, and volatile suggests rapid or intense reactions. “Lose your temper” names an angry outburst.
Cultural note: “Loose cannon” is a strong negative label, not a diagnosis. It can stigmatize a person or escalate a conflict; when possible, describe the specific behavior, its impact, and the boundary you need. “Volatile” can also be a serious description, so use it carefully.
Keep exploringA person who changes their mind is not necessarily dangerous. These words distinguish inconsistency from volatile behavior and an angry outburst.
Phrase guide · 5 expressions
Original explanations and examples, created for learners. Save a card for later or hear the phrase spoken by your browser.
Describe actions that are difficult to anticipate.
Meaning
A person whose unpredictable actions may cause serious problems for a group.
Tone & use
Informal and strongly critical. Prefer a specific description of the behavior and impact when speaking about a real person.
Example
“The committee worried about the spokesperson’s repeated outbursts and agreed on clear meeting rules.”
Meaning
Not behaving in a way that can be easily anticipated.
Tone & use
More descriptive than “loose cannon,” but still broad; explain what action or pattern is difficult to predict.
Example
“The delivery time is unpredictable, so the clinic asks patients to leave a flexible window.”
Distinguish inconsistency from harmful or dangerous conduct.
Meaning
Changing opinions, interests, or loyalties often.
Tone & use
Critical and usually about inconsistency; it does not by itself suggest danger or anger.
Example
“The fickle weather changed from sunshine to rain several times that afternoon.”
Name an angry reaction without excusing harm.
Meaning
Likely to change suddenly or produce a strong reaction.
Tone & use
Can describe situations, markets, or people. When describing a person, support it with specific behavior rather than a guess.
Example
“The discussion became volatile, so the chair paused the meeting and set a time to continue.”
Meaning
Become angry and show it, often by speaking or acting forcefully.
Tone & use
Common and direct. It describes a reaction but does not excuse threatening or harmful behavior.
Example
“When he lost his temper, the team ended the call and agreed to continue after everyone had cooled down.”
Knowledge check
Choose the expression that best fits each situation.
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