stumbling-block
Proposed by a contributor, not yet supported by evidence.
Meaning · English
An obstacle or difficulty that prevents progress
Nghĩa · Tiếng Việt
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Machine-translated — suggest a fix
Literally: a block that causes stumbling
Where it’s used:
Used
Widespread English
Examples
The lack of funding was a stumbling-block to the project's success
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-31; pending editor spot-check.
Common questions
What does “stumbling-block” mean?
An obstacle or difficulty that prevents progress Literally: a block that causes stumbling
Is “stumbling-block” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.