WordWeb Online

1. More slowly

1. Not moving quickly; taking a comparatively long time
   "a slow walker"; "the slow lane of traffic"; "her steps were slow"; "he was slow in reacting to the news"; "slow but steady growth"
    
2. At a slow tempo
   "the band played a slow waltz"
    
3. Slow to learn or understand; lacking intellectual acuity
   "worked with the slow students"
   - dense, dim, dull, dumb, obtuse
    
4. (used of timepieces) indicating a time earlier than the correct time
   "the clock is slow"
    
5. So lacking in interest as to cause mental weariness
   - boring, deadening, dull, ho-hum, irksome, tedious, tiresome, wearisome, unamusing, draggy
    
6. (of business) not active or brisk
   "business is slow"
   - dull, sluggish

See also: adagio, andante, bumper-to-bumper, dilatory, drawn-out, fastness, gradual, inactive, laggard, larghetto, larghissimo, largo, lazy, lentissimo, lento, long-play, long-playing, moderato, pokey, poky, slowest, slowly, slow-moving, slowness, sluggish, speed, stupid, sulky, swiftness, unhurried, uninteresting

Antonym: fast

Encyclopedia: Slow Slow, Deep and Hard Slow, it goes