| SUBCLAVIANS | • subclavians n. Plural of subclavian. • SUBCLAVIAN n. a subclavian nerve, artery etc. |
| SUBINTERVAL | • subinterval n. Any of several smaller intervals into which a larger one is divided. • SUBINTERVAL n. an interval that is a subdivision or a subset of an interval. |
| UNADVISABLE | • unadvisable adj. Inadvisable. • unadvisable adj. (Archaic) Unwilling to take advice. • unadvisable adj. (Archaic) Imprudent. |
| UNADVISABLY | • unadvisably adv. Alternative form of inadvisably. • UNADVISABLE adv. not advisable. |
| UNAVAILABLE | • unavailable adj. (Obsolete) Unavailing; ineffective. • unavailable adj. Not available. • unavailable n. (US, history) A communist who operated underground and was therefore not available for a political leadership… |
| UNAVAILABLY | • unavailably adv. In an unavailable manner. • UNAVAILABLE adv. not available. |
| UNAVERTABLE | • unavertable adj. That cannot be averted or turned aside. • UNAVERTABLE adj. that cannot be averted, also UNAVERTIBLE. |
| UNAVERTIBLE | • unavertible adj. That cannot be averted. • UNAVERTIBLE adj. that cannot be averted, also UNAVERTABLE. |
| UNAVOIDABLE | • unavoidable adj. Impossible to avoid; bound to happen. • unavoidable adj. (Law) Not voidable; incapable of being made null or void. • unavoidable n. Something that cannot be avoided. |
| UNAVOIDABLY | • unavoidably adv. In an unavoidable manner. • UNAVOIDABLE adv. that cannot be avoided. |
| UNDIVIDABLE | • undividable adj. Not dividable. • UNDIVIDABLE adj. that cannot be divided. |
| UNDRIVEABLE | • undriveable adj. Alternative form of undrivable. • UNDRIVEABLE adj. that cannot be driven. |
| UNFAVORABLE | • unfavorable adj. (American spelling) Alternative spelling of unfavourable. • UNFAVORABLE adj. not favorable. |
| UNFAVORABLY | • unfavorably adv. (American spelling) In an unfavorable manner. • UNFAVORABLE adv. not favorable. |
| UNNAVIGABLE | • unnavigable adj. Not navigable. Difficult or impossible to navigate. • UNNAVIGABLE adj. not navigable. |
| UNREMOVABLE | • unremovable adj. Unable to be removed. • UNREMOVABLE adj. that cannot be removed. |
| UNVENERABLE | • unvenerable adj. Not venerable. • UNVENERABLE adj. not venerable. |
| UNVISITABLE | • unvisitable adj. Not visitable; that cannot be visited. • unvisitable adj. (Obsolete) Unsuitable for visiting. • UNVISITABLE adj. that cannot be visited. |