Learn Indonesian. FREE PDFs are below the 100 key words.

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Some links to help you improve your Bahasa Indonesian are below including free online books. 

Greetings & Essentials

1. Halo – Hello
2. Apa kabar? – How are you?
3. Baik – Good / Fine
4. Terima kasih – Thank you
5. Sama-sama – You're welcome
6. Ya – Yes
7. Tidak – No / Not
8. Permisi – Excuse me (to get attention or pass)
9. Maaf – Sorry
10. Tolong – Please (requesting help)
11. Silakan – Please (offering/inviting)
12. Selamat pagi – Good morning (until ~11 AM)
13. Selamat siang – Good afternoon (11 AM – 3 PM)
14. Selamat sore – Good evening (3 PM – sunset)
15. Selamat malam – Good night (after dark)
16. Selamat tinggal – Goodbye (to person staying)
17. Selamat jalan – Goodbye (to person leaving)
18. Sampai jumpa – See you later
19. Nama saya... – My name is...
20. Siapa nama Anda? – What is your name? 

Core Pronouns & Connector Words

1. Saya – I / Me (formal)
2. Aku – I / Me (informal)
3. Anda – You (formal)
4. Kamu – You (informal)
5. Dia – He / She / Him / Her
6. Mereka – They / Them
7. Kita – We (inclusive of listener)
8. Kami – We (exclusive of listener)
9. Ini – This
10. Itu – That
11. Dan – And
12. Atau – Or
13. Tapi – But
14. Dengan – With
15. Untuk – For 

Questions & Directions

1. Apa? – What?
2. Siapa? – Who?
3. Kapan? – When?
4. Di mana? – Where?
5. Mengapa? / Kenapa? – Why?
6. Bagaimana? – How?
7. Berapa? – How many / How much?
8. Berapa harganya? – How much is the price?
9. Di mana toilet? – Where is the bathroom?
10. Kiri – Left
11. Kanan – Right
12. Lurus – Straight
13. Jauh – Far
14. Dekat – Near
15. Ke sini – To here 

Common Verbs

1. Ada – To have / There is
2. Bisa – Can / Able to
3. Makan – Eat
4. Minum – Drink
5. Pergi – Go
6. Datang – Come
7. Beli – Buy
8. Lihat – See / Look
9. Tahu – Know
10. Mengerti – Understand
11. Mau / Ingin – Want
12. Suka – Like
13. Bicara – Speak / Talk
14. Mencoba – Try
15. Bekerja – Work 

Numbers & Time

1. Satu – 1
2. Dua – 2
3. Tiga – 3
4. Empat – 4
5. Lima – 5
6. Sepuluh – 10
7. Seratus – 100
8. Sekarang – Now
9. Hari ini – Today
10. Besok – Tomorrow
11. Kemarin – Yesterday
12. Jam / Pukul – Hour / O'clock
13. Menit – Minute
14. Minggu – Week
15. Bulan – Month / Moon 

Descriptive Adjectives

1. Besar – Big
2. Kecil – Small
3. Bagus – Good / Great
4. Cantik – Beautiful (people/objects)
5. Mahal – Expensive
6. Murah – Cheap
7. Panjang – Long
8. Baru – New
9. Lama – Old (objects) / Long time
10. Cepat – Fast
11. Pelan – Slow
12. Senang – Happy / Pleased
13. Sedih – Sad
14. Lapar – Hungry
15. Haus – Thirsty 

Useful Phrases

1. Hati-hati – Be careful
2. Bisa bicara pelan-pelan? – Can you speak slowly?
3. Saya tidak tahu – I don't know
4. Bagus sekali! – Very good!
5. Selamat! – Congratulations!