13-Letter Words Containing: O,B,S,C,U,R,E,S

• a person who breaks horses

• With respect to a given category, a more narrow category.

• A subclass of a category which is itself a category, whose arrows are a restriction of the arrows of the parent category, and whose composition rule is a restriction of the parent category's

• a transferase that catalyzes the hydrolysis of ribonucleic acid

• Either of a pair of propositions at least one of which must be true

• the state of being humble and unimportant

• the state of being indistinct or indefinite for lack of adequate illumination

• the quality of being unclear or abstruse and hard to understand

• a vigorous and unrestrained response