Lackluster

Antonyms for lackluster:

lively, shining, shiny, bright.

Synonyms for lackluster:

Sense 1

aseptic.

Sense 2

pedestrian, stodgy, earthbound, lifeless, uninspired, matter of fact, mat.

Sense 3

prosaic, spiritless, unimaginative, flavorless.

Sense 4

drab, dim.

Sense 5

arid.

Sense 6

flat.

Sense 9

sterile.

Sense 12

dry.

Other synonyms and related words:

dim, pedestrian, lifeless, prosaic, mat, earthbound, drab, arid, lacklustre, stodgy, sterile, unimaginative, matter of fact, aseptic, dry, spiritless, lustreless, flat, flavorless, uninspired.

all (adjective)

lustreless, lacklustre, lusterless.

colorless (adjective)

faded, dull, neutral, achromatic, colorless, pale, white, toneless, bleached, lusterless, hueless.

darkish (adjective)

dim.

depressed (adjective)

spiritless.

dull (adjective)

earthbound.

dull, lifeless (adjective)

drab, colorless, dim, lusterless, flat, prosaic, uninspired, dry, unimaginative.

unimaginative (adjective)

prosaic.

Sense 2 (noun)

mat, dim, flat.

Sense 3 (noun)

lifeless, spiritless, arid, dry, unimaginative, aseptic, pedestrian, prosaic, flavorless, uninspired, stodgy, sterile, drab, earthbound, matter of fact.

lackluster (noun)

lacklustre, lusterless, lustreless, dull.