slower
adj.adj. moving or happening at a lower speed than something else. You use this to compare two things when one takes more time to finish.
adj. the comparative form of slow, indicating a lower rate of speed or progress relative to another entity or a previous state.
The bus is slower than the train.
Traffic is much slower during the morning rush hour because of the heavy rain.
The older processor results in a significantly slower rendering time, which can delay the entire production schedule if the hardware is not upgraded soon.
From slow + -er.
As a comparative adjective, it is frequently followed by 'than' when making a direct comparison between two nouns.
This car is more slower.This car is slower.Do not use 'more' with adjectives that already end in '-er' to show comparison.