Found 20 stronger alternatives to upgrade your writing.
Not on time
Nuance: Behind schedule
Time specific.
Boring
The bus is slow.
Better
The bus is late.
Not wanting to move
Nuance: Inactive
Behavior.
Boring
He is slow today.
Better
He is lazy today.
Relaxed
Nuance: Peaceful
Mood.
Boring
It was a slow day.
Better
It was a calm day.
Taking time to do right
Nuance: Cautious
Positive slowness.
Boring
Be slow with the glass.
Better
Be careful with the glass.
Step by step
Nuance: Steady
Change over time.
Boring
A slow improvement.
Better
A gradual improvement.
Relaxed pace
Nuance: Relaxed
Enjoyable slowness.
Boring
A slow breakfast.
Better
A leisurely breakfast.
Low energy
Nuance: Stalled
Negative/heavy.
Boring
The economy is slow.
Better
The economy is sluggish.
Constant pace
Nuance: Reliable
Positive: steady and reliable.
Boring
He kept a slow pace during the race.
Better
He kept a steady pace during the race.
Held back
Nuance: Late
External cause.
Boring
The flight is slow.
Better
The flight is delayed.
Careful / rhythmic
Nuance: Controlled
Deliberate control.
Boring
He walked with slow steps.
Better
He walked with measured steps.
Not rushing
Nuance: Calm
Polite/calm tone.
Boring
The conversation was slow.
Better
The conversation was unhurried.
Slow and boring
Nuance: Boring
Negative experience.
Boring
The work was slow.
Better
The work was tedious.
Lasting too long
Nuance: Too long
Time extension.
Boring
A slow silence.
Better
A prolonged silence.
Extended (formal)
Nuance: Long
Formal duration.
Boring
A slow war.
Better
A protracted war.
Lazy / dreamy
Nuance: Dreamy
Poetic/heavy.
Boring
A slow afternoon.
Better
A languid afternoon.
Heavy / dull movement
Nuance: Boring
Negative criticism.
Boring
The slow plot of the movie.
Better
The plodding plot of the movie.
Extremely slow
Nuance: Very slow
Exaggeration (ice).
Boring
Moving at a slow pace.
Better
Moving at a glacial pace.
Not moving at all
Nuance: Still
Still/dirty.
Boring
Slow water.
Better
Stagnant water.
Slowed down (technical)
Nuance: Inhibited
Scientific context only.
Boring
Plant growth was slow because of the cold.
Better
Plant growth was inhibited because of the cold.
Intentionally delaying
Nuance: Delaying
Legal/delaying.
Boring
Slow tactics.
Better
Dilatory tactics.