十年一昔

じゅうねんひとむかし じゅうねんいちむかし

expression suggesting that the pace of change makes ten years back seem like ancient history

昔

むかし

olden days, former

昔者

むかしもの

old person, old-fashioned person

昔時

せきじ

old times, former times

往昔

おうせき

ancient times

昔日

せきじつ

old days

古昔

こせき

ancient times

大昔

おおむかし

great antiquity, old-fashioned, long ago

昔風

むかしふう

old fashioned

今昔

こんじゃく こんせき

past and present

一昔

ひとむかし

ages, long time, decade, the past ten years

二昔

ふたむかし

way in the past; two (or so) decades (ago)

昔々

むかしむかし

long ago, once upon a time

昔話

むかしばなし

old tale, folk tale, legend

昔人

previous generations; people of the past; ancients

昔兎

むかしうさぎ ムカシウサギ

paleolagine lagomorph (Paleolaginae spp., incl. the Amami rabbit and the red rock hares)

昔式

むかししき

old fashioned, in ancient style

昔は昔今は今

むかしはむかしいまはいま

Let bygones be bygones

昔気質

むかしかたぎ

old-fashioned way of thinking, old-fashioned spirit