Prim, a.
Etymology: [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.
3 other Webster entries under this spelling
Prim, n.
(Bot)
The privet.
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, v. i.
To dress or act smartly. [R.]