preoccupyinggerund / present participle Used predicatively and attributively as a present-participle adjective.
Translations
The preoccupying thought kept him awake all night.
Занимающая мысль не давала ему уснуть всю ночь.
Her preoccupying hobby left her little time for anything else.
Ее поглощающее хобби оставляло ей мало времени на что-либо еще.
The preoccupying issue was discussed at length during the meeting.
Волнующий вопрос был подробно обсужден на встрече.
Definitions
So absorbing or engaging that it occupies a person’s thoughts or attention to a marked degree. The preoccupying prospect of losing his job made it hard for him to focus on anything else.