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)