1983 neologisms

thumb|upright=1.4|The Akihabara neighborhood of [[Tokyo, a popular gathering site for otaku]]

dance move in which the dancer moves backwards

thumb|Animation of a half-turn ambigram of the word ambigram, with 180-degree rotational symmetry An ambigram is a calligraphic composition of glyphs (letters, numbers, symbols or other shapes) that can yield different meanings depending on the orientation of observation. Most ambigrams are visual palindromes that rely on some kind of symmetry, and they can often be interpreted as visual puns. Although the concept is older, the term "ambigram" was coined by Douglas Hofstadter in 1983–1984.

taxon that disappears for one or more periods from the fossil record, only to appear again later;likewise in conservation biology and ecology, it can refer to species or populations that were thought to be extinct, and are rediscovered

syndrome

concept in sociology and political science, introduced by Benedict Anderson in the homonym book

recently invented cultural practice perceived as old

region of the U.S. state of Florida

Lebanonization (Hebrew: ; ) is a negative political term referring to the process of a prosperous, developed, politically stable country descending into a civil war or becoming a failed state, as is the case with Lebanon during the Lebanese Civil War. The term, mainly used in Israel to refer to the country's foreign policy in neighbouring Levantine states, was first used by Israeli President Shimon Peres in 1983, referring to the minimization of Israeli military presence in Lebanon following the 1982 Israeli invasion of Lebanon, occurring amidst the Lebanese Civil War. It is comparable to Balk