13-letter words containing a, b, u, s, e, d
- subadolescent — younger than or not quite adolescent
- subdelegation — a group or body of delegates: Our club sent a delegation to the rally.
- subdepartment — a distinct part of anything arranged in divisions; a division of a complex whole or organized system.
- subderivative — a word derived from a derivative.
- subindicative — of or relating to subindicating
- subordinative — placed in or belonging to a lower order or rank.
- substantiated — to establish by proof or competent evidence: to substantiate a charge.
- superabundant — exceedingly or excessively abundant; more than sufficient; excessive.
- surbased arch — drop arch (def 2).
- treasury bond — any of various interest-bearing bonds issued by the U.S. Treasury Department, usually maturing over a long period of time.
- undescendable — unable to be descended or walked upon
- undescribable — to tell or depict in written or spoken words; give an account of: He described the accident very carefully.
- undiagnosable — unable to be diagnosed
- undiscernable — capable of being discerned; distinguishable.
- undiscussable — to consider or examine by argument, comment, etc.; talk over or write about, especially to explore solutions; debate: to discuss the proposed law on taxes.
- undisguisable — to change the appearance or guise of so as to conceal identity or mislead, as by means of deceptive garb: The king was disguised as a peasant.
- unembarrassed — to cause confusion and shame to; make uncomfortably self-conscious; disconcert; abash: His bad table manners embarrassed her.
- unestablished — not established.
- unmetabolised — not metabolised
- unpersuadable — not open or susceptible to persuasion
- urban studies — the various disciplines associated with the study of urban areas, including urban planning, urban economics and urban architecture