This is the 124th most frequent Ukrainian word.
ворог
Enemy.
Here, 'ворог' is used in its main sense meaning 'enemy' or 'foe', referring to an opposing force or individual.
Ворог увійшов до міста.
The enemy entered the city.
This usage of 'ворог' is figurative, representing a challenge or obstacle personified as an opponent.
Холод був його головним ворогом у поході.
The cold was his main enemy during the hike.
In this instance, 'ворог' metaphorically denotes someone perceived as an adversary, reflecting personal perception.