Cool MateChallenge vs Contest vs Difficulty vs Obstacle vs Test vs Trial
When to use each in English, with meaning, register, and examples.
Challenge
Top 2,000 (common)B1noun
Contest
Top 2,000 (common)B2noun
Difficulty
Top 2,000 (common)B1noun
Obstacle
Top 2,000 (common)B2noun
Test
Top 1,000 (very common)A1noun
Trial
Top 1,000 (very common)B2noun
| Challenge | Contest | Difficulty | Obstacle | Test | Trial | |
|---|---|---|---|---|---|---|
| Pronunciation | 🇬🇧 //ˈʧælɪndʒ//🇺🇸 //ˈʧælɪndʒ// | 🇬🇧 /["/ˈkɒntest/"]/🇺🇸 /["/ˈkɑːntest/"]/ | 🇬🇧 /["/ˈdɪfɪkəlti/"]/🇺🇸 /["/ˈdɪfɪkəlti/"]/ | 🇬🇧 //ˈɒbstəkl//🇺🇸 //ˈɑbstəkl// | 🇬🇧 /["/test/"]/🇺🇸 /["/test/"]/ | 🇬🇧 /["/ˈtraɪəl/"]/🇺🇸 /["/ˈtraɪəl/"]/ |
| Meaning | A difficult task or situation that tests someone's abilities. | A game or event where people try to win or show who is best. | How hard something is. | Something that makes it difficult to do something. | An exam to check knowledge or skills. | A test to see if something is good or works well. |
| Example | Completing this project will be a real challenge. | She won the baking contest with her delicious chocolate cake. | The difficulty of the exam surprised many students. | He faced many obstacles during his journey to success. | I have a math test tomorrow and I need to study. | The trial lasted for three weeks and involved numerous witnesses. |
| Register | Neutral | Neutral | Neutral | Neutral | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 2,000 (common) | Top 2,000 (common) | Top 2,000 (common) | Top 1,000 (very common) | Top 1,000 (very common) |
| CEFR level | B1 | B2 | B1 | B2 | A1 | B2 |
| Part of speech | noun | noun | noun | noun | noun | noun |
| Collocations | face a challenge, take on a challenge, rise to the challenge | close, equal, even, have, hold, run, take place, during a/the contest, in a/the contest, out of a/the contest, a contest of skills, a contest of strength, be no contest, close, equal, even, have, hold, run, take place, during a/the contest, in a/the contest, out of a/the contest, a contest of skills, a contest of strength, be no contest | considerable, enormous, extreme, level, encounter, experience, face, arise, lie (in something), despite a/the difficulty, in difficulty, with difficulty, considerable, enormous, extreme, level, encounter, experience, face, arise, lie (in something), despite a/the difficulty, in difficulty, with difficulty, considerable, enormous, extreme, level, encounter, experience, face, arise, lie (in something), despite a/the difficulty, in difficulty, with difficulty | face an obstacle, overcome an obstacle, see an obstacle | demanding, difficult, gruelling/grueling, do, sit, take, result, score, conditions, in a/the test, on a/the test, test in, exhaustive, extensive, rigorous, number, series, have, undergo, carry out, take place, confirm something, demonstrate something, result, data, statistics, test for, test on, exhaustive, extensive, rigorous, number, series, have, undergo, carry out, take place, confirm something, demonstrate something, result, data, statistics, test for, test on, good, critical, crucial, pose, provide, put somebody/something to the test, case, the acid test, the litmus test, stand the test of time | fair, unfair, full, come to, face, go on, proceed, take place, begin, attorney, court, judge, at the trial, during the trial, on trial, clinical, experimental, field, carry out, conduct, do, demonstrate something, show something, find something, period, run, data, on trial, under trial, on a trial basis, trial by fire, trial and error, clinical, experimental, field, carry out, conduct, do, demonstrate something, show something, find something, period, run, data, on trial, under trial, on a trial basis, trial by fire, trial and error, real, trial to, trials and tribulations |
| Antonyms | ease, comfort, simplicity | agreement, peace | easy, simple, effortless | advantage, help, facilitator | guess, ignore, neglect | certainty, conclusion |
| Common mistakes | Confused with 'opportunity' - 'challenge' is not a positive experience., Using 'challenge' as a verb incorrectly., Omitting plural form when referring to multiple challenges. | Confused with 'context' — make sure to differentiate between competition and situation., Using 'contests' as a verb — remember it's a noun., Saying 'participate in a contest' instead of 'take part in a contest'. | Confused with 'difficult' (adjective) vs. 'difficulty' (noun), Using 'difficulties' when referring to multiple challenges, Overgeneralizing to describe feelings instead of tasks | Confusing with 'obstacle course' which is a specific kind of challenge., Using 'obstacles' when discussing non-physical challenges like fears or emotions., Mixing it up with 'obstruction', which often has legal connotations. | Confused with 'testify' — they mean different things., Using 'test' as a countable noun incorrectly., Mixing up 'tested' and 'testing’ in verb forms. | Confused with 'trial' as a verb — remember it's primarily a noun in this context., Using 'trial' to refer to a single test when it often implies multiple evaluations., Mixing up 'trial' with 'trial run' — the latter is specifically about practice or testing something before the final version. |
| Usage notes | Commonly used in both formal and informal contexts. It can refer to competitions, tasks, or obstacles. Avoid using it to describe something fun; it typically implies a difficulty. | Use 'contest' in both formal and informal situations, such as competitions or challenges. Avoid slang contexts. | Often used to describe challenges in tasks, tests, or activities. Suitable in both casual and academic contexts. Avoid using in overly informal situations. | Used in contexts where something hinders progress or achievement. Typically neutral; avoid in overly casual contexts. | Used in educational contexts for quizzes or exams. Can also refer to trials in scientific or real-world situations. Avoid in informal contexts unless using slang. | Used in legal contexts to refer to court cases, or in general contexts to describe testing products. Avoid using in casual conversations when discussing failures. |
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Frequently asked questions: Challenge vs Contest vs Difficulty vs Obstacle vs Test vs Trial
What's the difference between Challenge, Contest, Difficulty, Obstacle, Test, and Trial?
Challenge: A difficult task or situation that tests someone's abilities. Contest: A game or event where people try to win or show who is best. Difficulty: How hard something is. Obstacle: Something that makes it difficult to do something. Test: An exam to check knowledge or skills. Trial: A test to see if something is good or works well.
Are Challenge, Contest, Difficulty, Obstacle, Test, and Trial the same CEFR level?
Challenge: B1, Contest: B2, Difficulty: B1, Obstacle: B2, Test: A1, Trial: B2 on the CEFR scale.
What part of speech are Challenge, Contest, Difficulty, Obstacle, Test, and Trial?
Challenge: noun, Contest: noun, Difficulty: noun, Obstacle: noun, Test: noun, Trial: noun.
Can you show an example of each?
Challenge: Completing this project will be a real challenge. Contest: She won the baking contest with her delicious chocolate cake. Difficulty: The difficulty of the exam surprised many students. Obstacle: He faced many obstacles during his journey to success. Test: I have a math test tomorrow and I need to study. Trial: The trial lasted for three weeks and involved numerous witnesses.
Can I use Challenge, Contest, Difficulty, Obstacle, Test, and Trial interchangeably?
Not always. Challenge, Contest, Difficulty, Obstacle, Test, and Trial are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.