halcyon days
Proposed by a contributor, not yet supported by evidence.
Meaning · English
A period of time in the past that was idyllically happy and peaceful
Nghĩa · Tiếng Việt
một giai đoạn trong quá khứ rất hạnh phúc và yên bình
Machine-translated — suggest a fix
Literally: calm and peaceful days
Where it’s used:
Used
Widespread English
Examples
She often thinks back to her halcyon days at university
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 “halcyon days” mean?
A period of time in the past that was idyllically happy and peaceful Literally: calm and peaceful days
Is “halcyon days” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.