Obstacle is a noun referring to a thing that blocks one's way or hinders progress. It denotes a barrier or impediment that must be overcome, often in physical, mental, or procedural contexts. The term emphasizes obstruction and challenge within a path or plan, requiring effort or strategy to surmount.
"The fallen tree became an obstacle on the hiking trail, forcing hikers to detour."
"Budget constraints posed a major obstacle to launching the project this quarter."
"Her fear of public speaking was a psychological obstacle she needed to address."
"Construction delays created an obstacle to delivering the event on time."
Obstacle comes from the Middle French obstacle, derived from Old French obstacle, from late Latin obstaculum, meaning a barrier or impediment. The Latin root ob- (toward, against) plus staculum (a support, prop) indicates something that stands in the way. The form obstacle entered English via French in the 14th–15th centuries, retaining the sense of something that blocks or withstands progress. Over time, the nuance broadened from physical barriers to include figurative impediments in personal, legal, or strategic contexts. In modern usage, obstacle frequently collocates with verbs like overcome, remove, surmount, and present forms such as “obstacle course” reflecting its metaphorical extension to staged challenges. The word’s stress pattern and phonology also reflect its French lineage, with a two-syllable primary stress on the first syllable (OB-stacle) in American English or with slight secondary emphasis on the second syllable in certain phrases. First known use is documented in Middle English and legal or navigational texts that described physical barriers encountered in journeys and quests.
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💡 These words have similar meanings to "Obstacle" and can often be used interchangeably.
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Words that rhyme with "Obstacle"
-ble sounds
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US: /ˈɑb.stə.kəl/; UK/AU: /ˈɒb.stə.kəl/. The primary stress is on the first syllable, with a schwa in the middle syllable and a clear final /əl/. Open your jaw slightly for the first vowel and keep the middle unstressed syllable brief. Imagine saying OB-sta-kle with a light, quick middle and a crisp final /kəl/.
Common errors: misplacing stress (stressing the second syllable as in oB-sta-cle); reducing the middle syllable too much, producing /ə/ as a full vowel; or pronouncing the final 'ble' as /bəl/ instead of /kəl/ easing. Correct by maintaining strong initial stress (OB-), using /stə/ for the middle with a reduced schwa, and ending clearly with /kəl/.
US tends to pronounce the first syllable with a clearer /ɑ/ or /ɒ/ depending on region and a tighter /əl/ ending; UK and AU keep /ˈɒb.stə.kəl/ with a slightly rounded /ɒ/ and a non-rhotic /r/ absence. The middle /stə/ remains unstressed; rhotics are minimal in UK/AU accents, while US may assimilate /r/ in connected speech only if followed by a vowel.
Because it combines three syllables with a mixed vowel sequence: /ˈɑb.stə.kəl/. The middle syllable reduces to a weak /stə/, requiring precise timing so the initial consonant cluster /bst/ is not swallowed. The final /kəl/ demands crisp /k/ release followed by a light /əl/ sound. When spoken quickly, the /st/ cluster and the final /əl/ can blur, making the word sound like /ˈɑbstəkəl/ or /ˈɒbstə.kil/.
In careful speech, you’ll hear a light /t/ release between /s/ and /t/ in the middle syllable: /ˈɑb.stə.kəl/ has a subtle /d/ like release from the /bst/ cluster. In fast speech, the /t/ may be flapped or softened, yielding a more continuous /bstə/ sequence. Focus on crisp /bst/ without merging the consonants.
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