ทุ่งโล่ง | thoongF lohngF | noun | field; an open vacant area |
| ทุ่งสีกัน | thoongF seeR ganM | proper noun, geographical | name of a place in suburban Bangkok |
ทุ่งหญ้า | thoongF yaaF | noun | meadow |
| ทุจริต | thootH ritH | attributive verb | [is] corrupt; dishonest; deceitful |
| noun | [ความทุจริต] corruption |
| verb | [ทำให้ทุจริต] to corrupt; to make corrupt |
| ทุจริตการสอบ | thootH ritH gaanM saawpL | phrase, formal | to cheat on a test |
| ทุด | thootH | interjection, colloquial, archaic, ancient | [an interjection used to express contempt or spitting one's saliva] |
| ทุติย | thooH dtiL yaH | noun, Pali | son; friend; successor; companion; fellow |
| noun, Pali | second class; second person |
| adjective, Pali | for the second time; doubled |
| ทุน | thoonM | noun | assets, cost, fund, investments, capital, subsidy |
| ทุ่น | thoonF | noun | buoy |
| verb | to save; to economize; to reduce expenses |
| ทุนการศึกษา | thoonM gaanM seukL saaR | noun | funds used for education; a financial scholarship |
| ทุนจดทะเบียน | thoonM johtL thaH biianM | noun | [commerce] initial capital/principal for a business registration |
| ทุนเดิม | thoonM deermM | noun | original capital; capitalization funding |
| ทุนทรัพย์ | thoonM sap[y]H | noun | an asset |
| ทุนที่ซื้อมา | thoonM theeF seuuH maaM | noun, phrase | cost |
| ทุนนอน | thoonM naawnM | noun | invested capital; (sleeping) asset; property |
| ทุนนิยม | thoonM niH yohmM | noun | capitalist political party |
| ทุนรอน | thoonM raawnM | noun, phrase, colloquial | [same as ทุนนอน] |
| ทุ่นระเบิด | thoonF raH beertL | noun | (naval) explosive mine |
| ทุ่นแรง | thoonF raaengM | adjective | labor-saving; automated |
| ทุนเล่าเรียน | thoonM laoF riianM | noun | a (educational investment) foundation |
| ทุนวิจัย | thoonM wiH jaiM | noun | money market fund |
| ทุนสำรอง | thoonM sahmR raawngM | noun, phrase, formal | reserves; reserve funds |
| ทุนหมุนเวียน | thoonM moonR wiianM | noun, phrase, formal | revolving capital |
| ทุบ | thoopH | verb | [as with a hammer or other tool] to hit, beat, pound |
| ทุบตี | thoopH dteeM | verb, transitive | to strike; beat; hit |
| ทุบหม้อข้าวตัวเอง | thoopH maawF khaaoF dtuaaM aehngM | phrase, figurative, idiom | to "cut off one's nose to spite one's face" |
| ทุบหม้อข้าวหม้อแกง | thoopH maawF khaaoF maawF gaaengM | example sentence, idiom | "To take the bread out of one's mouth." |
| ทุปปัญญา | thoopH bpanM yaaM | adjective, intransitive | stupid; idiotic; mentally backward |
| ทุพภิกขภัย | thoopH phiH gohkL phaiM | noun | famine; food shortage |
| ทุโภชนาการ | thooH phohtF naaM gaanM | noun, loanword, Pali | malnutrition |
| ทุม | thoomM | poetic, loanword, Pali | trees |
| ทุ่ม | thoomF | noun | evening hours between 7:00 p.m. and 11:00 p.m. |
| verb | to put down; to hurl down; to throw down; to dump |
| ทุ้ม | thoomH | adjective | [of sound] bass; low in pitch; low-frequency |
| ทุ่มเถียง | thoomF thiiangR | verb, transitive, intransitive | to debate, dispute, argue, or quarrel |
| ทุ่มเท | thoomF thaehM | verb, transitive | to throw a generous amount; to dedicate; devote |
| ทุ่มเท | thoomF thaehM | adjective | dedicated; devoted |
| ทุ่มโมง | thoomF mohngM | noun | evening hours |
| ทุ่มหนึ่ง | thoomF neungL | adverb | 19:00 h; 7 p.m. |
ทุย  | thuyM | noun | a water buffalo with two-crooked horns used in Thai rice fields |
| noun | undeveloped coconut |
| noun, colloquial | [derogatory] (silly) ass; fool |
| ทุร | thooH raH | prefix, formal, loanword, Pali | [prefix indicating] difficult; bad; evil; small; void [, as in the English prefix] mal-; ill- |
| ทุรกันดาร | thooH raH ganM daanM | adjective | remote; distant; far away |
| ทุรคา | thoonM khaaM | proper noun, person, formal, loanword, Pali | Durga or กาลีthe sometimes malignant goddess of war: an aspect of เทวี (Devi) |
| ทุเรศ | thooH raehtF | verb, intransitive | to pity |
| adjective | pitiable; wretched; miserable; shameful; shabby |
| adjective | [น่าทุเรศ] appalling; disgraceful; shameful; gross; nasty |
| ทุเรียน | thooH riianM | proper noun, formal, loanword, Malay | durian, genus Duria, the edible fruit of a tree, Durio zibethinus, of the bombax family, of southeastern Asia (predominantly Thailand), having a hard, prickly rind, a highly flavored, fleshy yellow flesh, and pungent odor |
| noun | [ลูกทุเรียน] fruit of the durian tree |
| ทุเรียนกระดุม | thooH riianM graL doomM | noun | [a species of] durian |
| ทุเรียนกวน | thooH riianM guaanM | noun | preserved durian jam; durian preserves |
| ทุเรียนพันธุ์กบ | thooH riianM phan[t]M gohpL | noun | [a species of] durian |
| ทุลักทุเล | thooH lakH thooH laehM | adverb | disordered; disorganized; confused; rushed |
| ทุเลา | thooH laoM | verb | to improve; to be better; develop; mend; enhance; enrich |
| ทุศีล | thooH seenR | noun | a sacrilege, a blasphemous act, a desecration |
