ใจ (jai): the heart word behind 30 feelings
ใจ means heart, and in Thai it is also the mind. The golden rule: put it after the word and you get a feeling, put it first and you get a personality. Swipe through 30 everyday ใจ words with examples.




















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- Cover. One word, 30 feelings. ใจ (jai). Heart, mind… and how Thai talks about feelings.
- The golden rule. Where ใจ goes changes everything. X + ใจ is a feeling, how you feel right now. ใจ + X is a personality, who you are. ดีใจ, glad, vs ใจดี, kind. ร้อนใจ, anxious, vs ใจร้อน, hot-tempered. เย็นใจ, at ease, vs ใจเย็น, calm.
- Good heart: glad vs kind. Feeling: ดีใจ (dii-jai), glad, happy. Literally good heart. ดีใจมาก, I'm so happy. Personality: ใจดี (jai-dii), kind. เขาใจดีมาก, He or she is really kind.
- Hot heart: anxious vs hot-tempered. Feeling: ร้อนใจ (rón-jai), anxious, in a rush. ร้อนใจจัง, I'm so anxious. Personality: ใจร้อน (jai-rón), impatient, hot-tempered. อย่าใจร้อน, Don't be impatient.
- Cool heart: at ease vs calm. Feeling: เย็นใจ (yen-jai), relieved, at ease. ได้ยินแบบนี้ก็เย็นใจ, Hearing that puts my mind at ease. Personality: ใจเย็น (jai-yen), calm, patient. In a hot country, a cool heart is the ideal. ใจเย็น ๆ, Calm down!
- When the heart breaks or falls. เสียใจ (sǐa-jai), sad, sorry. Literally broken heart. เสียใจด้วยนะ, I'm so sorry for your loss. ตกใจ (dtòk-jai), startled, shocked. Literally heart falls. ตกใจหมดเลย, You scared me!
- Small heart, proud heart. น้อยใจ (nói-jai), feel hurt, slighted. Literally little heart. น้อยใจที่ไม่ได้ชวน, Hurt about not being invited. ภูมิใจ (phuum-jai), proud. Literally pride heart. ภูมิใจในตัวเธอ, I'm proud of you.
- Relief, and that sinking feeling. โล่งใจ (lôhng-jai), relieved. Literally clear heart. โล่งใจไปที, What a relief! สบายใจ (sà-baai-jai), at ease, worry-free. Literally comfy heart. ใจหาย (jai-hǎai), my heart sank. Literally heart disappears. ใจหายเลย, My heart just sank.
- Thinking with your heart: in Thai, ใจ is the mind too. เข้าใจ (khâo-jai), understand. Literally enter the heart. เข้าใจไหม, Do you understand? แน่ใจ (nâe-jai), sure. Literally certain heart. แน่ใจนะ, Are you sure?
- Thinking with your heart: focus and decisions. ตั้งใจ (dtâng-jai), focus, intend. Literally set the heart. ตั้งใจเรียน, Focus on your studies. ตัดสินใจ (dtàt-sǐn-jai), decide. Literally judge the heart. ตัดสินใจยัง, Have you decided yet?
- Thinking with your heart: wandering hearts. เปลี่ยนใจ (bplìan-jai), change your mind. Literally change the heart. เปลี่ยนใจแล้ว, I've changed my mind. ใจลอย (jai-loi), daydreaming, zoned out. Literally floating heart. ใจลอยอีกแล้ว, Zoning out again!
- Personality: how big is your heart? ใจกว้าง (jai-gwaang), generous, open-minded. Literally wide heart. เจ้านายใจกว้าง, The boss is generous. ใจแคบ (jai-khâep), petty, narrow-minded. Literally narrow heart. อย่าใจแคบ, Don't be so petty.
- Personality: hard heart, soft heart. ใจแข็ง (jai-khǎeng), strong-willed, tough. Literally hard heart. ต้องใจแข็งไว้, Stay strong. ใจอ่อน (jai-òn), soft-hearted, caves easily. Literally soft heart. ขอนิดเดียวก็ใจอ่อน, One little plea and he or she caves.
- Relationships: sincere hearts. จริงใจ (jing-jai), sincere. Literally true heart. เขาจริงใจ, He or she is sincere. ถูกใจ (thùuk-jai), love it, just my taste. Literally hits the heart. ถูกใจมาก, Love it!
- Relationships: when it goes wrong. นอกใจ (nôok-jai), to cheat on someone. Literally outside the heart. เขานอกใจแฟน, He or she cheated on their partner. Stepping outside the heart of your relationship. Brutal, but poetic.
- Very Thai: the feeling English doesn't have. เกรงใจ (greng-jai), considerate, not wanting to impose. Literally fear for the heart. ไม่ต้องเกรงใจ, Don't hold back, make yourself at home. Turning down help so you don't trouble someone. Not asking for the last piece of food. That's เกรงใจ.
- Very Thai: kindness that flows. น้ำใจ (nám-jai), kindness, generosity. Literally heart water. มีน้ำใจมาก, So kind of you! The kindness that just flows out of you. Helping a stranger, sharing your food, without being asked.
- Fun facts: ใจ hides everywhere. หายใจ (hǎai-jai), to breathe. Literally heart disappears. หายใจลึก ๆ, Breathe deeply. ใจกลางเมือง (jai-glaang mueang), city centre. Literally heart middle city.
- Quick recap. ใจ in one slide. ดีใจ glad, ใจดี kind, ใจเย็น calm, ใจร้อน impatient, เสียใจ sad or sorry, ตกใจ startled, เข้าใจ understand, ตัดสินใจ decide, ใจลอย zoned out, ใจอ่อน soft-hearted, ถูกใจ love it, นอกใจ cheat, เกรงใจ considerate, น้ำใจ kindness.
- Your turn. Which ใจ word describes you? Tell me in the comments and save this. Want to learn Thai? Comment or DM me if you're interested in lessons. Reading Thai from lesson one, from someone who grew up here.
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