AMATEUR, AMATEURISH
ADJECTIVES
1850 — JACK-LEG amateur, untrained; ineffectual, incompetent; said of someone without skill or training → US sl.
1885 — CORINTHIAN amateur → yachting usage
1909 — AMATEUR NIGHT amateurish; inept; resembling an amateur night
1909 — TIRONIC → TYRONIC amateurish; betraying inexperience; pert. to or characteristic of a tiro
1925 — SUNDAY amateur; occasional → US sl.
1959 — BUSH amateurish; second-rate → US sl.
NOUNS
1955 — AMATEUR NIGHT IN DIXIE used as the type of amateurishness or ineptitude → colloq.
NOUNS, PERSON
1826 — YAMATOOR an amateur → Sc.
1880 — CORINTHIAN a wealthy amateur of sport who rides his own horses, steers his own yacht, etc.; in U.S., an amateur yachtsman
1896 — JAY an amateur; a poor actor → theatrical sl. (Bk.)
1910 — HAMMER-CHEWER an amateur → sl.
1930 — HAMFAT MAN an amateur → US sl.
1937 — UNKPAY an amateur; a newcomer; a tyro; a dupe; a sucker → US Pig Latin for ‘punk’
1950 — SCAB an amateur → sl.
1972 — HAM-CHEWER an amateur → US jocular usage
2000 — AM an amateur → UK sl.
Lexicophilia 