| หรา | raaR | adverb | boldly; daringly; unhesitatingly; quickly |
หรี่  | reeL | verb | to diminish; to lower; to decrease; to decelerate; to slow down |
| หรีด | reetL | noun, loanword | [Thai transcription of the foreign loanword, "wreath"] |
หรี่ให้เบาลง | reeL haiF baoM lohngM | verb, phrase | to lower; to diminish; to lessen; [of, for example, a radio] to turn down |
 หรือ | reuuR | conjunction, formal | or |
| particle | [a word used at the end of a statement to indicate a question, usually when the response is presumed] |
| phrase | "Really?" |
| หรือเปล่า | reuuR bpaehM laaF | | or not |
| หรือเปล่า | reuuR bplaaoL | phrase, colloquial | ...or not? |
| หรือไม่ | reuuR maiF | conjunction, phrase, formal | or not; whether; if; whether (or not); if...or not |
| หรือยัง | reuuR yangM | conjunction, phrase, formal | or not; whether; if; whether (or not); if...or not |
| หรือว่า | reuuR waaF | phrase | "whether..." "or that..." |
| หรุดหริด | rootL ritL | adjective | irritated; feel irritated; annoyed; feel annoyed |
| หรูหรา | ruuR raaR | adjective | fancy, posh (e.g. of a restaurant or person), luxurious, fine |
| หฤทัย | hriR thaiM | | [alternate spelling of หทัย] |
| หลง | lohngR | adjective | lost; confused; forgotten; neglected; mentally weak |
| verb | to lose one's way, to go astray, to get lost, to be mistaken or forget; to be absorbed; to be absent-minded |
| attributive verb | [is] infatuated with |
| หล้ง | lohngF | preposition | after |
| หลงกล | lohngR gohnM | verb, transitive | to be tricked by |
| หลงเชื่อ | lohngR cheuuaF | verb | to easily trust; to be naïve |
| หลงตัวเอง | lohngR dtuaaM aehngM | adjective, phrase, colloquial, sarcastic-humorous | self-absorbed; narcissistic |
| หลงทาง | lohngR thaangM | verb | to become lost; to stray; to lose one's way; lose the way |
| หลงทาง | lohngR thaangM | adjective | lost; misguided; astray |
| หลงผิด | lohngR phitL | verb | to be misled; to misunderstand; be mistaken; to be misguided; to go astray |
| หลงรัก | lohngR rakH | verb | to be lost in love; to be "head over heels" in love |
| หลงเสน่ห์ | lohngR saL neh[h]L | verb, transitive | to be fascinated (by); to be charmed (by) |
| หลงใหล | lohngR laiR | attributive verb | [is] fascinated by; infatuated with; crazy about |
| หลงใหลคลั่งไคล้ | lohngR laiR khlangF khlaiH | verb, transitive, phrase, colloquial, idiom | [of a person or an object] to be infatuated with; to be captivated by; to be enamoured of; to be enraptured by; to be deeply fascinated by; to be smitten by; to be spellbound by |
| หลน | lohnR | | to stew, or simmer in cooking |
| หล่น | lohnL | verb, intransitive | to drop; to fall |
| หลบ | lohpL | verb | duck; avoid; dodge |
| หลบภัย | lohpL phaiM | verb | to shelter |
| หลบหนี | lohpL neeR | verb | escape |
| หลบหลีก | lohpL leekL | verb | move out of the way; to avert; to parry |
| หล่ม | lohmL | noun | bog; quagmire; mudhole |
| หลวง | luaangR | adjective | royal; of the court; superior; official; great |
| adjective | state (pertaining to the government) |
| noun, proper noun, person, pronoun, formal | [a conferred title or rank of the ancient Thai civil nobility being the second of a series of five conferred ranks: ขุน (Khun), Luang, พระ (Phra), พระยา (Phraya), เจ้าพระยา (Chao Phraya)] |
| หลวงพ่อ | luaangR phaawF | noun | [honorific for a high ranking monk] |
| หลวม | luaamR | adjective | loose |
| noun | [กวย (Suay) language] liver |
| หลอ | laawR | adjective | hollowed out; worn-down; missing from a row; indented |
| verb | to remain; be left over |
| หล่อ | laawL | adjective | handsome; good-looking; attractive; statuesque |
| verb | to cast in metal (as is done at a foundry) |
| verb | to lubricate |
| หลอก | laawkL | verb | to trick; to deceive; to delude; to beguile; to cheat (on a test) |
| verb | to scare; to terrify; to startle; to frighten; to spook |
| adjective | fake; false |
| หลอกลวง | laawkL luaangM | verb | to deceive; trick; fool |
| หลอกๆ | laawkL laawkL | adverb | falsely; not for real |
| หลอด | laawtL | noun | artery; tube; pipe |
| noun | drinking straw |
| classifier | [numerical classifier for tubelike objects] |
| หลอดกระดาษ | laawtL graL daatL | noun | paper drinking straw; soda straw |
| หลอดกาแฟ | laawtL gaaM faaeM | noun | coffee drinking straw |
| หลอดดูด | laawtL duutL | noun | drinking straw |
| หลอดน้ำปัสสาวะ | laawtL naahmH bpatL saaR waH | noun | urethra |
| หลอดไฟ | laawtL faiM | noun | light bulb |
| หลอดไฟฟ้า | laawtL faiM faaH | noun, phrase | bulb; light bulb |
| หลอดลม | laawtL lohmM | | wind pipe; trachea |
| หลอดลมอักเสบ | laawtL lohmM akL saehpL | noun | bronchitis |
| หลอดเลือดดำ | laawtL leuuatF dahmM | noun | vein (as in blood) |
