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halcyon

adjective | /halcyon/

Advanced WordsMEDIUM

denoting a period of time in the past that was idyllically happy and peaceful

Learning Progress

Synonyms

serenecalmtranquilidyllicprosperousgolden

Antonyms

tumultuousstormytroubledturbulentrestless

Examples

"They remembered the halcyon days of childhood with fond nostalgia."

"The region enjoyed a halcyon decade of growth before the recession."

Mnemonic Trick

HALCYON → HALL + CYON: imagine calm seas (halcyon) — peaceful times.

Etymology

From Greek halkyon, a mythical kingfisher associated with calm seas.

Used figuratively for tranquil, prosperous periods.

Source: Advanced WordsAdded: 9/15/2025

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