Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun halcyon
3 senses of halcyon
Sense 1
Alcyone, Halcyon -- ((Greek mythology) a woman who was turned into a kingfisher)
INSTANCE OF=> mythical being -- (an imaginary being of myth or fable)
Sense 2
Halcyon, genus Halcyon -- (a large kingfisher widely distributed in warmer parts of the Old World)
=> bird genus -- (a genus of birds)
Sense 3
halcyon -- (a mythical bird said to breed at the time of the winter solstice in a nest floating on the sea and to have the power of calming the winds and waves)
=> mythical being -- (an imaginary being of myth or fable)
Antonyms of adj halcyon
2 senses of halcyon
Sense 1
halcyon -- (idyllically calm and peaceful; suggesting happy tranquillity; "a halcyon atmosphere")
INDIRECT (VIA peaceful) -> unpeaceful -- (not peaceful; "unpeaceful times"; "an unpeaceful marriage")
Sense 2
golden, halcyon, prosperous -- (marked by peace and prosperity; "a golden era"; "the halcyon days of the clipper trade")
INDIRECT (VIA happy) -> unhappy -- (experiencing or marked by or causing sadness or sorrow or discontent; "unhappy over her departure"; "unhappy with her raise"; "after the argument they lapsed into an unhappy silence"; "had an unhappy time at school"; "the unhappy (or sad) news"; "he looks so sad")
Similarity of adj halcyon
2 senses of halcyon
Sense 1
halcyon -- (idyllically calm and peaceful; suggesting happy tranquillity; "a halcyon atmosphere")
=> peaceful (vs. unpeaceful), peaceable -- (not disturbed by strife or turmoil or war; "a peaceful nation"; "peaceful times"; "a far from peaceful Christmas"; "peaceful sleep")
Sense 2
golden, halcyon, prosperous -- (marked by peace and prosperity; "a golden era"; "the halcyon days of the clipper trade")
=> happy (vs. unhappy) -- (enjoying or showing or marked by joy or pleasure; "a happy smile"; "spent many happy days on the beach"; "a happy marriage")