DULL

Not very bright

• A real yawner

• Blunt

• Boring

• Causing yawning

• Desensitize

• Dishwaterlike

• Dry-as-dust

• Eliciting yawns perhaps

• Far from bright

• Far from scintillating

• Far from vivid

• Fit to be stropped

• Hardly thrilling

• Ho-hum

• Humdrum

• In need of sharpening

• In need of stropping

• Incapable of cutting it?

• Jejune

• Lackluster

• Like a matte finish

• Like certain blades

• Like dishwater

• Like Dunhill's environs

• Like some aches

• Like watching paint dry

• Listless

• Needing polish

• Needing sharpening

• Needing stropping

• Not acute

• Not sharp

• Not the life of the party

• Obtuse

• Overcast

• Pedestrian

• Same old same old

• Slack

• Slow-witted

• Snooze-inspiring

• Soporific

• Take the edge off

• Tedious

• Unable to cut it?

• Unexciting

• Uninteresting

• Uninteresting, like a show

• Unlike the life of the party

• Unlikely to cut

• Unoriginal

• Without an edge

• Yawn-inducing

• Yawn-provoking