Review of Adjectives

Functions: modify a noun (the ____ one)
                   predicate adjective/complement (noun is/=  adjective) 

                   substantive (with understood noun): e.g. multī (many people); omnia (everything)

Standard entry information:  
          nominative (singular): masculine, (feminine), neuter  

1st/2nd declension (-a/-o stem):  
          -us (masc. = 2nd decl. endings),  -a  (fem. = 1st decl. endings), -um (= neuter = 2nd decl. neuter endings)    
          -er,  -a, -um  (Note:  get the base, i.e. whether the -e before the -r is part of the base or not,  from the feminine form): līber, līber-a, līberum; noster, nostr-a, nostrum
          *”pronoun declension”: gen. sing. -īus, dat. sing. -ī:  sōlus, tōtus; ūllus, nūllus, ūnus, uter, alter, alius; demonstratives: hic, ille, is

3rd declension: (Note: almost all of these are -i stem and use -i stem ablative singular -ī and genitive plural -ium; neuter nom/acc. pl. -ia

exceptions: comparatives are -s stems, which changed to -r between vowels).

3 ending:  (3 separate forms for masc., fem., and neuter in the nom. sing.):
          -er,  -is,  -e  (again, get the base from the feminine): 
                   acer, acr-is, acre; celer, celer-is, celere
2 ending (2 separate forms in the nom. sing., one for masc./fem. and one for neuter:
          -is, -e  (most common of 3rd decl. types)
          comparatives:  -ior, -ius  (base:  -iōr-) (consonant stem endings)
1 ending (nom. sing. is the same for all genders;  the second form given (usually in parentheses) is the genitive, which tells you the base, since most of these have an -s added in the nominative)
          -(n)s  (-nt-is)  
                    ingēns, (ingent-is); potēns, (potent-is)
          -x  (-c/-g-is)
fēlix, (fēlic-is)
Indeclinable:  tot; quot; most numbers (over 3)

dual declension (two of something; originally all nouns and adjectives had separate endings for the dual as well as the singular and plural):  
          duō; ambō (both)