Opulent

adj.joyful, energeticliterary

What it means

Richly luxurious, impressive, and abundant.

Reach for it when describing surroundings or style as richly luxurious and abundant

The opulent theater delighted visitors with gilded balconies and velvet seats.

playful
plush
soft expensive comfort is the main impression
not when Plush is informal and texture-focused.
everyday
luxurious
high comfort and quality are central
not when Luxury need not involve elaborate display.
warm
magnificent
broad impressive beauty deserves praise
not when Magnificence does not imply wealth.
professional
ornate
elaborate decoration is the visible quality
not when Ornament can be inexpensive and not opulent.
formal
lavish
abundant spending or provision is evident
not when Lavish can imply wastefulness.
formal
palatial
grand scale resembles a palace
not when Palatial concerns scale, not every kind of richness.
literary
sumptuous
rich sensory pleasure suits the description
not when Sumptuous is elevated and often food-related.

opulent interior
The opulent interior retained its carved balconies and velvet seats.
opulent surroundings
Guests entered opulent surroundings softened by quiet lighting.
richly opulent
The costume looked richly opulent under the stage lamps.

Opulent often implies costly excess; luxurious or richly decorated may be more precise.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.