Merriam-Webster's Dictionary and Thesaurus - Merriam-Webster [1400]
tho·rax noun, plural tho·rax·es or tho·ra·ces 1 : the part of the body of a mammal between the neck and the abdomen; also : its cavity containing the heart and lungs
2 : the middle of the three main divisions of the body of an insect
— tho·rac·ic adjective
tho·ri·um noun : a radioactive metallic chemical element
thorn noun 1 : a woody plant bearing sharp processes
2 : a sharp rigid plant process that is usu. a modified leafless branch
3 : something that causes distress
Synonyms
aggravation, annoyance, bother, exasperation, frustration, hassle, headache, inconvenience, irritant, nuisance, peeve, pest, problem—more at ANNOYANCE
thorny adjective thorn·i·er; -est 1 : full of thorns
2 : full of difficulties or controversial points
Synonyms
[1] brambly, prickly, scratchy—more at SCRATCHY
[2] catchy, delicate, difficult, knotty, problematic, spiny, ticklish, touchy, tough, tricky—more at TRICKY
thor·ough adjective 1 : testing all possibilities or considering all elements : EXHAUSTIVE 2 : very careful : PAINSTAKING 3 : having full mastery 4 : marked by attention to many details 5 : complete in all respects <~ pleasure> — thor·ough·ness noun Synonyms [1] all-out, clean, complete, comprehensive, exhaustive, full-scale, out-and-out, thoroughgoing, total—more at EXHAUSTIVE [4] circumstantial, detailed, elaborate, full, minute—more at DETAILED [5] absolute, all-out, complete, perfect, pure, total, utter—more at ABSOLUTE 1thoroughbred adjective 1 : bred from the best blood through a long line 2 cap : of or relating to the Thoroughbred breed of horses 3 : marked by high-spirited grace Synonyms full-blooded, purebred—more at PUREBRED 2thoroughbred noun 1 cap : any of an English breed of light speedy horses kept chiefly for racing 2 : one (as a pedigreed animal) of excellent quality thor·ough·fare noun : a public road or street Synonyms artery, avenue, drag, drive, highway, pass, pike, road, route, row, street, trace, turnpike, way—more at WAY thor·ough·go·ing adjective : marked by thoroughness or zeal Synonyms all-out, clean, complete, comprehensive, exhaustive, full-scale, out-and-out, thorough, total—more at EXHAUSTIVE thor·ough·ly adverb : in a thorough manner or degree Synonyms altogether, completely, dead, entirely, fast, flat, full, fully, perfectly, quite, well, wholly—more at FULLY completely, exhaustively, fully, minutely, roundly, totally; also all-out, intensively; broadly, extensively, generally, globally, widely; conclusively, definitely, perfectly thorp noun, archaic : VILLAGE 1thou pronoun, archaic : the person addressed 2thou noun, plural thou : a thousand of something (as dollars) 1though conjunction 1 : despite the fact that <~ the odds are hopeless, they fight on> 2 : granting that <~ it may look bad, still, all is not lost> Synonyms albeit, although, howbeit, when, while—more at ALTHOUGH 2though adverb : in spite of that : HOWEVER Synonyms but, howbeit, however, nevertheless, nonetheless, notwithstanding, still, withal, yet—more at HOWEVER 1thought past and past participle of THINK 2thought noun 1 : the process of thinking 2 : serious consideration 3 : reasoning power 4 : the power to imagine : CONCEPTION 5 : an individual act or product of thinking : IDEA 6 : OPINION, BELIEF Synonyms [2] consideration, debate, deliberation—more at CONSIDERATION [5] concept, idea, image, impression, notion, picture—more at IDEA thought·ful adjective 1 : absorbed in thought