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opalescent
adjective
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How to pronounce opalescent:

Definition of opalescent:

opalescent (adjective):
reflecting an iridescent light
having shimmering changing reflections, like opal
adjective. having a play of lustrous rainbow colors.

Synonyms for opalescent:

bright
colorful
iridescent
lustrous
nacreous
opaline
pearlescent
pearly
polychromatic
prismatic
rainbow-coloured
rainbow-hued
shimmering
shot

Antonyms for opalescent:

apathetic
cloudy
dark
depressed
dim
dispirited
dull
gloomy
lackluster
lacklustre
lethargic
matte
normal
obscure
rough
stupid
typical
unaware
unbright
unbrilliant
unhappy
unintelligent

Other 4-syllable words like opalescent

Here are some other common words that have 4 syllables, like opalescent does.

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