Qidiruv

adj grave, somber, solemn, sterin, grim, severe, staid, sober, unsmiling, humorless, important, momentous, significant, major, fundamental, acute, dangerous, critical, earnest, sincere, genuine, thought-provoking, meaningful, intense, deep

adv oʻzbekchajiddiy (ravishda), rostdan, chindan, astoydil, qattiqruschaсерьёзно

n oʻzbekchajiddiylik, jiddiyatruschaсерьёзность