reliability - Master This Word

reliability Word Meanings

• the quality of being trustworthy or performing consistently well
• the degree to which something is dependable
• the likelihood of something happening or being true

reliability Example Sentences

Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.

• Reliability is important in a job.
• We need to test the reliability of this product.
• Her reliability makes her a good friend.
• You can trust his reliability in tough situations.
• The car's reliability is very good.

reliability Word Etymology

Reliability comes from the root 'rely' (to depend on) with the suffix '-ability' indicating capacity. The term evolved from the Latin 'reliabilis' through Old French into English. Picture a sturdy bridge that you can trust to cross over a river, symbolizing how we depend on reliability in our lives.

English Brain Route

First I grip the kettle handle, set the flame, and watch the flame move to a steady glow. I adjust the gauge and keep a careful eye as the numbers shift and the heat stays even. The small effort of nudging, the turn of a knob, and the habit of checking feel like training my hands to trust the scene. In daily tasks, that steady rhythm becomes reliability, something you can lean on when surprises show up.

Real Context

Reliability is the quality of being trustworthy and of performing consistently well over time. It covers both people and things: a reliable coworker who meets deadlines, a device that works as expected, or data produced in a repeatable manner. In everyday life we depend on reliability when planning routines, using public transport, or relying on product warranties. It also expresses the probability that something will function as intended, or that a claim is true. Because reliability can vary by context, people may rate a source or system differently depending on past experience, expectations, and the cost of failure.

Usage Reminders

• Use reliability with people and systems.
• Compare reliability with credibility or validity.
• Describe high/low reliability, or data/system reliability.
• Pair with durability or consistency for nuance.
• Be aware it can vary by context or domain.

Common Misconceptions

• Reliability is the same as honesty or trustworthiness.
• A high reliability guarantee means 100% no failures.
• Reliability equals speed or efficiency.
• Reliability is universal and the same in all contexts.
• If something is unreliable once, it will always be unreliable.

Thinking Differences

In English, reliability is often tied to steady performance and trust over time. Learners tend to overemphasize perfection or confuse reliability with credibility; context matters—reliability can be domain-specific (data vs. a person) and not absolute.

Learning Tips

• Learn common collocations: high/low reliability; reliability of data; reliable person.
• Compare with related concepts: credibility, validity, durability.
• Practice context shifts: product vs person vs data reliability.
• Listen for hedging: may indicate varying reliability across contexts.
• Use charts or dashboards to track reliability over time.
• Pronounce clearly: re-li-a-bil-i-ty; stress on by syllables.

5-Step Learning Method - Learn English in English

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