This is the 5878th most frequent Russian word.
реактивной
The Russian word "реактивной" means "reactive" or "jet-powered" depending on the context.
In this sentence, 'реактивной' refers to the technological design involving jet propulsion.
Самолёт был реактивной конструкции.
The airplane had a jet design.
Here, 'реактивной' characterizes the quickness or immediate response in work speed.
Её реактивной скорости работы можно только позавидовать.
Her reactive work speed can only be envied.
In this context, 'реактивной' pertains to the thrust or propulsion generated by jets.