leading
Definition
Most important, prominent, or in the forefront; also, guiding or directing.
हिन्दी सबसे महत्वपूर्ण, प्रमुख या अग्रणी; साथ ही मार्गदर्शन या निर्देशन करना।
Example
"She played the leading role in the film and received critical acclaim."