slowing

(noun) a decrease in rate of change. Synonyms: deceleration, retardation. Example: "The deceleration of the arms race."

(verb) lose velocity; move more slowly. Synonyms: decelerate, slow, slow down, slow up, retard. Example: "The car decelerated."

(verb) become slow or slower. Synonyms: slow, slow down, slow up, slack, slacken. Example: "Production slowed."

(verb) cause to proceed more slowly. Synonyms: slow, slow down, slow up. Example: "The illness slowed him down."