- Three-masted Adj
- Three-phase Adj Noun
- Three-pronged Adj
- Three-way Adj Noun
- Threefold Adj Adv
- Threepenny Adj
- Threescore Adj Noun
- Threesided Adj
- Threnetic Adj
- Thrifted Adj
- Thriftless Adj
- Thrifty Adj
- Thrilled Adj
- Thrilling Adj
- Thriveless Adj
- Thriving Adj
- Throated Adj
- Throatless Adj
- Throaty Adj
- Throbbing Noun Adj
- Thromboclastic Adj
- Thrombocytic Adj
- Thrombocytopenic Adj
- Thromboembolic Adj
- Thrombogenic Adj
- Thrombolytic Adj
- Thromboplastic Adj
- Thromboplastical Adj
- Thrombosed Adj
- Thrombotic Adj
- Throned Adj
- Throneless Adj
- Thronged Adj
- Thronging Adj
- Throttlable Adj
- Throttleable Adj
- Throttled Adj
- Through Prep Adj Adv
- Throughbred Adj
- Throwable Adj Noun
- Throwaway Adj Noun
- Throwback Noun Adj
- Thrummy Adj
- Thrusting Noun Adj
- Thudding Noun Adj
- Thuggish Adj
- Thujoid Adj Noun
- Thumbed Adj
- Thumbnail Noun Adj
- Thumping Noun Adj
- Thundering Noun Adj
- Thunderous Adj
- Thunderstruck Adj
- Thundery Adj
- Thuriferous Adj
- Thurigerous Adj
- Thwarted Adj
- Thyine Adj Noun
- Thymal Adj
- Thymectomised Adj