sifa “unsure”
 umbo la msingi unsure (more/most)
- si na uhakikaJisajili ili kuona tafsiri za sentensi za mfano na ufafanuzi wa kila neno kwa lugha moja. 
 She was unsure about the answer to the math problem. 
- si thabiti (kwa usalama au uthabiti)The bridge felt unsure beneath their feet, swaying with every step they took.