Adjectives have three degrees: Positive: Smart Comparative: Smarter (used to compare two things) Superlative: Smartest (used to show the highest degree among three or more) So, "Smartest" is the superlative adjective.
Identify the superlative adjective: Smartest, Smart, Smarter, None of these
Review the verified answer and explanation for this ETEA Educational Testing and Evaluation Agency past-paper question on CampusFin.