thinking, a. [rational], [pensive], reflective, contemplative, cogitative, introspective.
thinking, n. cogitation, [meditation], contemplation, [thought].
thinness, n. emaciation, slenderness, gauntness, spareness, meagerness; tenuity, [delicacy], fineness; incompactness; rarity, [subtilty], subtilization; inadequacy, sparseness, scantiness.
thinning, n. [dilution], [reduction], attenuation, rarefaction, subtilization. Associated words: attenuant, diluent.
thin-skinned, a. leptodermic; [sensitive], impressible, [irritable].
third, a. tertiary.
thirst, n. [dryness], [aridity], [drought]. Antonym: adipsy. Associated words: [slake], [quench], dipsetic, adipsous.
thirty years. Associated words: tricennial, tricennially.
thorn, n. [spine], [prickle], [brier]; [torment], [plague], infliction.
thornless, a. [spineless], inermis.