slowed
slowed
verb
Reduced the speed or rate at which something moved or happened.
"The heavy traffic slowed our journey considerably."
Thesaurus
Synonyms: slow, sluggish, dull, inactive, slow down, slow up, adagio, larghetto, largo, andante, moderato, larghissimo
Antonyms: accelerate, apace, chop-chop, fast, in short order, quicken, quickly, rapidly, speed, speed up, speedily