This is the 1129th most frequent Turkish word.
hayati
Essential; vital; critical.
The word 'hayati' is used here as an adjective meaning 'life-critical' or 'essential', emphasizing the importance of the decision.
Hayati derecede önemli bir karar vermek zorundayız.
We have to make a life-or-death-important decision.
In this sentence, 'hayati' functions as an adjective to describe the meeting's significant or essential nature.
Bu konuda hayati bir görüşme gerçekleştirdik.
We had a critical meeting on this subject.
Here, 'hayati' is used to mean 'life-threatening' in describing the gravity of the danger.