| TBD | To be discussed | 待定 |
| TBD | To Be Determined | 待决定 |
| TBD | policy to be declared policy | 预保单，待报保险单 |
| TBD | To Be Defined | 待定 |
| TBD | To Be Decided | 待定 |
| TBD | To be Demanded | 待要求 |
| TBD | Time/Bearing Display | 显示时间/轴承 |
| TBD | Track Before Detect | 检测前跟踪 |
| TBD | Technical Basis Document | 技术基础文件 |
| TBD | Torpedo - Boat - Destroyer | 鱼雷艇驱逐舰 |
| TBD | Training by Design | 设计培训 |
| TBD | Taco Bell Dog | 塔可钟狗 |
| TBD | The Best Deceptions (band) | 最佳骗局（乐队） |
| TBD | To Be Discontinued | 将被终止 |
| TBD | Terminal Bomber Defense | 终端轰炸机防御 |
| TBD | Totally Brain Dead | 完全脑死亡 |
| TBD | Tibetan Book of the Dead (song) | 藏文亡灵书（歌） |
| TBD | To Be Destroyed | 待销毁 |
| TBD | Team Baby Dick (gaming clan) | Team Baby Dick（游戏部落） |
| TBD | The Black Donnellys (TV show) | 黑色唐纳利（电视剧） |
| TBD | Too Bad To Divulge | 太糟糕了 |
| TBD | Two Bed Doors | 两个床门 |
| TBD | The Big Dog | 大狗 |
| TBD | Task-Based Development | 基于任务的开发 |
| TBD | The Big Day | 大日子 |
| TBD | Transatlantic Business Development | 跨大西洋业务发展 |
| TBD | Tibetan Book of the Dead | 藏文亡灵书 |
| TBD | T. Baldwin Demerest School | T、 鲍德温·德米斯特学校 |
| TBD | Tallwood's Best Days | Tallwood最好的日子 |
| TBD | Tampa Bay Drunks | 坦帕湾醉汉 |
| TBD | To Be Done | 待完成 |
| TBD | Too Busy Disorder (humor) | 太忙（幽默） |
| TBD | Douglas Devastator Torpedo Bomber (WW II) | 道格拉斯毁灭者鱼雷轰炸机（二战） |
| TBD | The Boomer Destination | Boomer目的地 |
| TBD | To Be Developed | 待开发 |
| TBD | Technical Background Document | 技术背景文件 |
| TBD | Technical Baseline Document | 技术基线文件 |
| TBD | Triangular Barrier Diode | 三角形势垒二极管 |
| TBD | Ten Bulls Design | 十头公牛设计 |
| TBD | Tick-Borne Diseases | 传播的疾病 |
| TBD | To Be Detailed | 待详细说明 |
| TBD | Two Bodies, Dead | 两具尸体，死亡 |
| TBD | Transfer Before Delivery | 交付前转移 |
| TBD | Task-Based Development (software development) | 基于任务的开发（软件开发） |
| TBD | T Baldwin Demerest School (Old Tappan, New Jersey) | T Baldwin Demerest学校（新泽西州旧塔潘） |
| TBD | 1,5,7-Triazabicyclo[4.4.0]dec-5-ene (bicyclic guanidine base) | 1,5,7-三氮杂双环[4.4.0]癸-5-烯（双环胍碱） |
| TBD | Ten Business Days | 十个工作日 |
| TBD | To Be Dated | 待注明日期 |
| TBD | Thai Bangkaew Dog | 泰国邦凯犬 |