Source : Webster's Revised Unabridged Dictionary (1913)

Prim \Prim\, n. [See {Privet}.] (Bot)
   The privet.

Prim \Prim\, a. [OF. prim, prin, prime, first, principal. sharp,
   thin, piercing, fr. L. primus first. See {Prime}, a.]
   Formal; precise; affectedly neat or nice; as, prim
   regularity; a prim person. --Swift.

Prim \Prim\, v. t. [imp. & p. p. {Primmed}; p. pr. & vb. n.
   {Primming}.]
   To deck with great nicety; to arrange with affected
   preciseness; to prink.

Prim \Prim\, v. i.
   To dress or act smartly. [R.]

Source : WordNet®

prim
     adj 1: affectedly dainty or refined [syn: {dainty}, {mincing}, {niminy-piminy},
             {twee}]
     2: exaggeratedly proper; "my straitlaced Aunt Anna doesn't
        approve of my miniskirts" [syn: {priggish}, {prissy}, {prudish},
         {puritanical}, {square-toed}, {straitlaced}, {strait-laced},
         {straightlaced}, {straight-laced}, {tight-laced}, {victorian}]
     [also: {primming}, {primmed}, {primmest}, {primmer}]

prim
     v 1: assume a prim appearance; "They mince and prim"
     2: contract one's lips; "She primmed her lips after every bite
        of food"
     3: dress primly [syn: {prim up}, {prim out}]
     [also: {primming}, {primmed}, {primmest}, {primmer}]