Attractive to the point of being hard to resist

Having an appeal that creates a strong desire

अपरिहार्य

English Usage: The dessert was so irresistible that I had to have a second slice.

Hindi Usage: मिठाई इतनी अपरिहार्य थी कि मुझे दूसरी स्लाइस लेनी पड़ी।

Compelling or enchanting

आकर्षक

English Usage: The story was so irresistible that I couldn't put the book down.

Hindi Usage: कहानी इतनी आकर्षक थी कि मैं किताब को छोड़ नहीं सका।