The adjectives bo 'good' and mal / dolent(e) 'bad' 
The adjective bo good takes the masculine singular bon when used before the noun, cf.: 
• aquest alumne és bo this schoolboy is good 
un bon alumne a good schoolboy
The adjective mal, -a, -s, -es is used only before, and the adjective dolent, -a, -s, -es only after 
the noun, cf.: 
• un mal alumne a bad schoolboy 
unes males persones some bad people 
• un alumne dolent a schoolboy [who is] bad 
unes persones dolentes some people [who are] bad
  
Degrees of the Adjectives (Graus dels Adjectius) 
  
Comparative degree (Grau Comparatiu) 
Comparative degree is formed analitically. Note that adjective agreement is with the principal 
noun: 
  
Comparative Degree Formation Examples
of Superiority més + ADJ. + que
En Joan és més alt que en Marc.  
John is taller than Mark.
of Equality [tan] + ADJ. + com
En Joan és [tan] alt com en Marc.  
John Sandro is as tall as Mark.
of Inferiority menys + ADJ. + que
En Joan és menys alt que en Marc.  
John is less tall than Mark.
  
  
Superlative degree (Grau Superlatiu) 
  
Superlative Degree Formation Examples
Absolute synthethical  
(rarely used)
ADJ. + -íssim La muntanya és altíssima. The mountain is very high.
Absolute analytical 
(two varieties)
molt + ADJ. La muntanya és molt alta.  The mountain is very high.
força + ADJ. La muntanya és força alta. The mountain is very high.