| SUBTACK | • subtack n. An underlease in Scotland. • SUBTACK n. a sublease in Scotland. | 
| SUBTASK | • subtask n. An act that must be completed as an element of completing a larger and more complex task. • SUBTASK n. a subordinate task. | 
| SUBTAXA | • subtaxa n. Plural of subtaxon (Elements within a taxon). • SUBTAXON n. a subdivision of a taxon. | 
| SUBTACKS | • subtacks n. Plural of subtack. • SUBTACK n. a sublease in Scotland. | 
| SUBTALAR | • subtalar adj. (Anatomy) Below the talus. • SUBTALAR adj. below the anklebone. | 
| SUBTASKS | • subtasks n. Plural of subtask. • SUBTASK n. a subordinate task. | 
| SUBTAXON | • subtaxon n. (Taxonomy) One of the elements within a taxon. • SUBTAXON n. a subdivision of a taxon. | 
| DOUBTABLE | • doubtable adj. (Uncommon) Capable of being doubted; doubtful; dubious; dubitable. See usage notes below. • doubtable adj. (Obsolete) Fearsome; redoubtable. • DOUBTABLE adj. capable of being doubted. | 
| DOUBTABLY | • DOUBTABLE adv. capable of being doubted. | 
| SUBTAXONS | • subtaxons n. Plural of subtaxon. • SUBTAXON n. a subdivision of a taxon. | 
| SUBTANGENT | • subtangent n. (Geometry) The part of the axis contained between the ordinate and tangent drawn to the same point in a curve. • SUBTANGENT n. the part of the axis contained between the ordinate and tangent drawn to the same point in a curve. | 
| REDOUBTABLE | • redoubtable adj. Eliciting respect or fear; imposing; awe-inspiring. • redoubtable adj. (Obsolete) Valiant. • REDOUBTABLE adj. causing fear or alarm, formidable. | 
| REDOUBTABLY | • redoubtably adv. In a redoubtable manner. • REDOUBTABLE adv. causing fear or alarm, formidable. | 
| SUBTACKSMAN | • SUBTACKSMAN n. a holder (of land) by subtack. | 
| SUBTACKSMEN | • SUBTACKSMAN n. a holder (of land) by subtack. | 
| SUBTANGENTS | • subtangents n. Plural of subtangent. • SUBTANGENT n. the part of the axis contained between the ordinate and tangent drawn to the same point in a curve. | 
| UNDOUBTABLE | • undoubtable adj. (Rare) Incapable of being doubted; undoubted; indubitable. • UNDOUBTABLE adj. that cannot be doubted. | 
| REDOUBTABLENESS | • redoubtableness n. The quality of being redoubtable. • REDOUBTABLE n. causing fear or alarm, formidable. |