Princeton's WordNet

1. oblivious(p), unmindful(p)(adj)

   (followed by `to' or `of') lacking conscious awareness of

   "oblivious of the mounting pressures for political reform"; "oblivious to the risks she ran"; "not unmindful of the heavy responsibility"

2. forgetful, oblivious(adj)

   failing to keep in mind

   "forgetful of her responsibilities"; "oblivious old age"

Kernerman English Learner's Dictionary

1. oblivious(adjective)əˈblɪv i əs

   completely unaware of sth

   My family was oblivious of/to my problems.

Wiktionary

1. oblivious(Adjective)

   Lacking awareness; unmindful.

2. oblivious(Adjective)

   Failing to remember; forgetful.

Origin: From obliviosus

Webster Dictionary

1. Oblivious(adj)

   promoting oblivion; causing forgetfulness

2. Oblivious(adj)

   evincing oblivion; forgetful

• onbewus, onbewus vanAfrikaans
• غافِل، غَيْر مُنْتَبِهArabic
• очевиденBulgarian
• esquecidoPortuguese (BR)
• nevšímavýCzech
• blind sein gegenüberGerman
• uvidendeDanish
• που δεν έχει επίγνωση, που αγνοεί, αδιάφοροςGreek
• inconscienteSpanish
• hajameelneEstonian
• بی خبر؛ بی اعتناFarsi
• tietämätönFinnish
• oublieux, inconscientFrench
• אֵינוֹ עֵר ל-Hebrew
• अनजानHindi
• nesvjestan, nemaranCroatian
• feledékenyHungarian
• tidak menyadariIndonesian
• óvitandiIcelandic
• dimentico, immemoreItalian
• 忘れっぽいJapanese
• 부주의한, 잘 잊는Korean
• nesuvokiantis, nereaguojantisLithuanian
• nevērīgsLatvian
• tdk sedarMalay
• onbewust vanDutch
• glemsom, uoppmerksom påNorwegian
• nieświadom, niepomnyPolish
• بی خبر؛ بی اعتناPersian
• بى خبرهPashto
• esquecidoPortuguese
• neatent, care nuţine seama de (ceva)Romanian
• не замечающий, не обращающий вниманияRussian
• nevšímavýSlovak
• nepozoren; gluh zaSlovenian
• nesvestanSerbian
• glömsk, omedvetenSwedish
• ซึ่งไม่ตระหนักถึงThai
• ilgisizTurkish
• 不予理會的，遺忘的，全然不察的Chinese (Trad.)
• забудькуватий; неуважнийUkrainian
• مغفل، غفلت شعارUrdu
• quên lãngVietnamese
• 不在意的，遗忘的，没注意到的Chinese (Simp.)