O-Z
oba-san - grandmother or old woman ('ba-san - slang for
grandma)
obaa-san - aunt ('baa-san - slang for aunt)
ohayoo - good morning
oji-san - grandfather or old man ('ji-san - slang for
grandad)
ojii-san - uncle ('jii-san - slang for uncle)
oka-san - mother ('ka-san - slang for mom)
okashira - leader/boss
omedetou - congratulations
omoshiroi - amusing/funny/interesting
onée-san - big sister or sister-in-law ('née-san - slang for big
sister or sister-in-law)
Onegai! - Please!/I beg of you!
onegaishimasu - please do it
oni - ogre/devil
onii-san - big brother ('nii-san - slang for big brother)
otaku - an enthusiastic and often knowledgeable fan of anime
(however, in Japan this word can be insulting as it is sometimes
used to describe a person with an extreme and unhealthy
obsession)
Otanjoubiomedetou gozaimasu! - Happy birthday!
oto-san - father ('to-san - slang for dad)
ototo - little brother ('toto - slang for little brother)
oyaji - pops/old man (a colloquial term for father)
Oyasumi nasai - Good night
rurouni - wanderer/vagabond
-sama - title put at the end of a name - used for very important
people or kamis (divine spirits); the most honorable title
-san - title put at the end of a name - used for a person of higher
standing, or a person you are not yet familiar with
seiyuu - voice actor
seme - in a homosexual relationship, the 'dominant' or 'male'
role
-sempai - title put at the end of a name - used for a senior
student/worker with more experience than you
-sensei - title put at the end of a name - used for a teacher; can
also be used as a stand alone word for "teacher"
senshi - soldier
shikashi - however/but/none-the-less
Shi'ne! - Die!
shoujo - girl
shoujo-ai - romance between girls
shounen - boy
shounen-ai - romance between boys
Sore nani? - What is it?
sayonara - goodbye
sora - sky
Sou desu ka (or Sou ka) - "I see" or "Is that so?" You can respond
to almost ANYTHING with "Sou desu ka." You can just keep saying it
(just change your intonation) and it will make you seem like you
know what you're talking about!
Sugoi da na! - That's amazing!
sumimasen - excuse me/pardon me
suteki - wonderful/amazing/great etc.
tabemono - food
tadaima - I'm home or I'm here
taihen - how terrible/oh no
taiyou - sun
tanoshii - fun/amusing
tanuki - raccoon dog
Tasukete! - Help me! / Save me!
toki - time
tomodachi - friend
tonikaku - in any case/anyway
tori - bird
tsubasa - wing
tsuchi - earth
tsuki - moon
uke - in a homosexual relationship, the 'sub' or 'female'
role
uma - horse
umi - sea
usagi - rabbit
Urusai! - Shut up! (literally, "noisy")
ureshii - happy or I'm so happy!
usotsuki - liar
uta - song
Uso! - You're lying! / No way!
Wai! - similar to Yay!
wakarimasen - I don't understand
wakarimashita - I understand
warui - bad
watashi / watakushi - I
yamero - stop
Yamete! - Stop it!
yami - darkness
yappari - I knew it / as I expected
yare yare - similar to oh well / my, my / well, well
Yatta! - Yay!, I did it!, or some other exclamation of achievement
(shortened form of yokatta)
Yokatta! - Yay!, I did it!, or some other exclamation of
achievement
Yoshi! - similar to Here I go! / Alright, something said when
you're about to start something
youkai - demon, not necessarily evil
youkoso - welcome
yoru - night
yuki - snow
yume - dream
yuri - the female equivalent of yaoi; also lily
Numbers
0 = rei
1 = ichi
2 = ni
3 = san
4 = yon (sometimes 'shi')
5 = go
6 = roku
7 = nana (sometimes 'shichi')
8 = hachi
9 = kyu (sometimes 'ku')
10 = ju
100 = hyaku
1000 = sen
10000 = man
100,000,000 = oku
100,000,000,000 = cho
12345 = ichi-man ni-sen san-hyaku yon-ju go! (i think)