Likkutei Sichos Dictionary
The following sites have Yiddish dictionaries:
Gabbai: (Shamash, sexton, attendant or beadle) - An Aramaic word that connotes 1. the treasurer/collector of communal taxes or charities for the needy, a of sorts. 2. One responsible for the smooth day-to-day running of synagogue logistics. In practical terms, the gabbai decides who leads the service, who should be called to the Torah etc.
Gadlus hamochin: Exuberant rationale.
Gaon: The title of the sages who lived during the post-Talmudic period (roughly 7th to 11th centuries). This period is thus known as the "Gaonic" period. The title of one who is an especially learned scholar
Gadol hador: Greatest sage of any generation.
Gashmius: materialism, physical needs
Gedulah ("greatness"): A synonym for chesed.
Gemara; (Aramaic): Interpretations and explanations of the Mishnah; see Talmud.
Gematria: a system for calculating the numerical equivalence of letters, words, and phrases. This system is used for the purpose of gaining insight into interrelating concepts.
Ger Toshiv: A 'partial' convert who agrees not to worship idols
Gerah: A type of coin, equivalent to approximately 0.64 gram of silver.
Geulah: Redemption, usually referring to the Redemption through Moshiach
Gevaldic: Amazing (yiddish)
Gevalt: Amazing, sometimes an expression of shock
Gevurah: "Might". The fifth of the ten sefirot, and second of the emotive attributes in Creation.
Gevurah/Gevurot: lit. "power' or strict justice. The second of the seven Divine middos, or attributes, and of their corresponding mortal middos, or spiritual emotions.
Gezeilah: robbery, theft
Gezeirat HaKatuv: (גזירת הכתוב) - a blical decree
Gezerah Shavah ("equal category"): One of the thirteen hermeneutical methods of the Torah, in which two concepts or cases are compared on the basis of terminology common to both. An inference from the juxtaposition of Biblical verses
Gilgul/gilgulim: incarnation in a particular lifetime
Gimmel Tammuz: The 3rd day of the month of Tammuz, the day of the Histalkus of the Rebbe
Gimmel: One of the 3rd letter of the Hebrew alphabet.
Girsa: Variant reading or version. Brief Talmud study
Gitten: Tractate of the Talmud
Glatik: (yid) Smooth, straightforward, ideal. e.g. The explanation does not entirely 'fit'
Golah: Exile; Diaspora.
Gulgalta ("the skull" Aramaic): The keter of Arich Anpin. In psychological terms, the interface between pleasure and will, which serves as the origin of the super-conscious will.