Reverse Dictionary: PRECOCIOUS

ADJECTIVES
ANCIENT of children: staid, demure, precocious → 1887 Sc. & Eng. dial.
ARPIT quick, ready, precocious → 1898 Eng. dial. (Bk.)
AULD-FARRANT of children or young people having the ways or the shrewdness of older persons; precocious1722 Sc.
FALSE sharp, shrewd, clever, precocious; generally applied to children and animals → 1866 Eng. dial.
MIRACULOUS of a child: lively, mischievous, precocious → 1903 Eng. dial. (Bk.)
OLD wise, serious, thoughtful; of a child: precocious, staid, demure → 1896 Eng. dial.
OLD-FARRAND knowing, prudent, wise; of children, precocious, grave beyond their years → 1737 Sc. & Eng. dial.
OLD-FARRANT knowing, prudent, wise; of children, precocious, grave beyond their years → 1737 Sc. & Eng. dial.
OLD-FARRANTLY ► OLD-FARRENDLY knowing, prudent, wise; of children, precocious, grave beyond their years → 1905 Sc. & Eng. dial. (Bk.)
OLD-FASHIONED knowing, cunning, intelligent; precocious → 1844 Eng. dial.
OLD-RAFANT precocious, prematurely wise → 1905 Eng. dial. (Bk.)
PAUKY ► PAWKY proud, conceited, impudent, bold, precocious, forward, inquisitive; esp. used of children → 1801 Sc. & Eng. dial.  
RATHE-RIPE precocious, early developed in mind or body → 1617 obs. exc. Eng. dial.

NOUNS
ANCIENTRY precocity → 1887 Sc.
PAUK ► PAWK impertinence, forwardness, precocity; insolent, impertinent talk → 1889 Eng. dial.  

NOUNS – PERSON
BORN-HEAD a young precocious fellow; a very foolish person → 1911 Sc. (Bk.)
CRABJAW a cute precocious little child → 1910 Ireland (Bk.)
GADDERMAN an old-fashioned or precocious young person → 1890 Ireland
MARCH CHICK a precocious youth → 1599 obs.
MONKEY a silly, frivolous, or precocious person; usually used affectionately → 1589
OLD CRAB a cute precocious little child → 1910 Ireland (Bk.)