thief, n. [robber], pilferer, filcher, [peculator]; [embezzler], [defaulter], [peculator]; plagiarist; poacher; shoplifter; kleptomaniac.
thievery, n. [theft], larceny; [embezzlement], [peculation]; shoplifting.
thievish, a. [light-fingered], [pilfering], [predatory]; [stealthy], [sneaking].
thill, n. shaft (of a vehicle).
thin, a. emaciated, [slender], [poor], wasted, [peaked], [gaunt], [scrawny], lank, [spare], [meager], [haggard], [scraggy]; tenuous, [delicate], [fine]; incompact; [dilute], [rare], rarefied, [subtile], attenuated; [sheer], [flimsy], [sleazy], unsubstantial, gossamery, gauzy, diaphanous, [transparent]; [sparse], [scanty]; [inadequate], [insufficient], superficial.
thin, v. [dilute], [reduce], attenuate, rarefy, [diminish], subtilize.
thing, n. [object], [article].
things, n. pl. (Colloq.) [clothes], [furniture], appurtenances, belongings, [goods], [luggage], accessories, chattels, effects, [traps], impedimenta (Mil.), [paraphernalia].
think, v. [meditate], cogitate, [ponder], contemplate, [brood], [reflect], [muse], [consider], [speculate], [ruminate], opine, deem, [apprehend], excogitate, [infer], [surmise], [mull].
thinkable, a. conceivable, cogitable, imaginable, presumable.