Reverse Dictionary: GREENHORN

NOUNS
GREENLAND the country of greenhorns → 1838 sl.

NOUNS – PERSON
APPLE-KNOCKER an inexperienced youthful worker; a naive newcomer, a greenhorn → 1942 US sl.
BLAN-BEC ► BLANC-BEC a greenhorn → 1846 Amer. dial.
BOOT a novice, a greenhorn, a very inexperienced person → 1970 Amer. dial.
BOOTSTRAPPER a novice, a greenhorn; a very inexperienced person → 1969 Amer. dial.
BUCK FARMER a rustic, a countrified person; a greenhorn, a novice → 1941 Amer. dial.
BUCKWHEAT a rustic, a countrified person; a greenhorn, a novice → 1866 Amer. dial.
BUCKWHEATER a rustic, a countrified person; a greenhorn, a novice → 1905 Amer. dial.
CHEECHAKO a newcomer, a tenderfoot, a greenhorn, a very inexperienced person; a citified person → 1897 Amer. dial.
CHIPPY a novice, a beginner; a greenhorn → 1899 Amer. sl.
EARLY BOUTEN a greenhorn → 1945 US Western sl.  (Bk.)
FISH a gullible person, a dupe, a greenhorn; an undesirable person, a jerk → 1900 Amer. dial.
FLAT a greenhorn; a gull → 1762 colloq.
FLAT-HEAD a greenhorn → 1913 Amer. dial. (Bk.)
GAUMBLIN ► GAWMBLIN a fool; a simpleton; a greenhorn → 1840 Eng. dial.
GREEN a greenhorn, a simpleton → 1825
GREENASS an inexperienced person; a greenhorn, a novice → 1966 US sl.
GREENER a greenhorn; a very inexperienced person; a newcomer; a naive person → 1877 Amer. dial.
GREEN HAND an inexperienced person; a greenhorn → 1808 Amer. dial.
GREENHEAD an inexperienced person; a greenhorn, a novice → 1948 US sl.
GREENY a naive or inexperienced person; a greenhorn; a freshman at a university → 1834
GRIFFIN a greenhorn; a newcomer → 1892 Anglo-Indian sl. (Bk.)
HAYSEED any inexperienced, unsophisticated, or innocent person; a greenhorn → 1834 sl.
JABONEY a greenhorn; a newly-arrived foreigner; an inept, stupid or inexperienced person; a guy or fellow → 1931 Amer. dial.
JAKE a greenhorn → 1913 Amer. dial. (Bk.)
JEHU a greenhorn; a country fellow → 1906 Amer. dial.
JOHN a greenhorn; a newcomer to the army → Amer. World War I sl.
LABRICK a fool; a dolt; an idiot; a dull, stupid person; a greenhorn; a stranger; a naive or foolish person; often used as a mild term of abuse → 1889 Amer. sl.
LAVERICK a fool; a dolt; an idiot; a dull, stupid person; a greenhorn; a naive person; a stranger; often used as a mild term of abuse → 1895 Amer. dial.
LENT a greenhorn → 1920 Amer. dial.
MOMPARA in the mining industry: a raw recruit, esp. from a rural, tribal background; also, generally, an unsophisticated person unaccustomed to Western ways; a novice, a greenhorn → 1899 S. Afr.
MOONEAS a newcomer, a greenhorn → 1966 Can. West usage
PALOUSER a novice or greenhorn; a country bumpkin → 1903 Amer. dial.
PILGRIM an emigrant, a migrant, a visitor, a tourist; a newcomer, a greenhorn, a tenderfoot → 1867 Amer. dial.
POOR FISH a gullible person, a dupe, a greenhorn; an undesirable person, a jerk → 1900 Amer. dial.
PUNKER a greenhorn → 1974 Amer. sl. (Bk.)
SAFT-HORN a novice; an inexperienced person; a greenhorn → 1836 Sc.
SAP a greenhorn; a gullible person; a dupe; the innocent who has fallen victim to a thieving gang or con artist → 1815 sl. 
SUCKER a greenhorn, a dupe; a mean, low fellow → 1758 sl.
TENDERFOOT an inexperienced newcomer or visitor in a frontier or rural area; a greenhorn; a naive or inexperienced person → 1866 Amer. dial.