| Yersinia Pestis |
A bacterium that causes plague. |
| yes |
it is as you say or ask (used to express affirmation or agreement). [6 definitions] |
| yeshiva |
an Orthodox Jewish school or college for Talmudic studies and the training of rabbis. [2 definitions] |
| yes-man |
one who always agrees with a superior, or approves of every opinion or idea of the superior; sycophant. |
| yesterday |
on the day preceding today. [5 definitions] |
| yesteryear |
times of the recent past, usu. considered nostalgically; days of yore. [3 definitions] |
| yet |
up until or at this time. [7 definitions] |
| yeti |
see Abominable Snowman. |
| yew |
any of several evergreen trees and shrubs that have sharp flat needles and bear poisonous red berries. [2 definitions] |
| yid |
(offensive slang) a Jew. |
| Yiddish |
a language that consists of several High German dialects, is written in Hebrew, and is spoken by eastern European Jews and their descendants in other countries. |
| yield |
to give forth or produce (a product, result, or quantity). [7 definitions] |
| yielding |
easily bent, esp. under pressure; flexible. [2 definitions] |
| yikes |
a mild expression of fear, endangerment, or apprehension. |
| yin |
(sometimes cap.) in Chinese dualistic philosophy, the dark, negative, passive, feminine force in the universe and in individual beings. (Cf. yang.) |
| yip |
to bark quickly and sharply, as a puppy does. [2 definitions] |
| yippee |
used to express joy, elation, or triumph. |
| Yippie |
(informal; often l.c.) any of a loosely organized group of student activists and others who in the 196s rallied in opposition to the Vietnam War. |
| -yl |
a chemical group or radical. |
| YMCA |
abbreviation of "Young Men's Christian Association." |
| YMHA |
abbreviation of "Young Men's Hebrew Association." |