certain

on Mastery level

also on

• CEFR Elementary (A2)?
• CEFR Intermediate (B1)?
• CEFR Upper intermediate (B2)?
• CEFR Advanced (C1)?
• Academic Vocabulary List (AVL)?
• Band 2 (BND2)?

• uncertainty

  uncertainty

  (noun)

  incertidumbre

Forms

noun
uncertainty