12-letter words containing b, a, y, i, n
- unobligatory — required as a matter of obligation; mandatory: A reply is desirable but not obligatory.
- unpunishably — in an unpunishable manner
- untenability — incapable of being defended, as an argument, thesis, etc.; indefensible.
- venerability — commanding respect because of great age or impressive dignity; worthy of veneration or reverence, as because of high office or noble character: a venerable member of Congress.
- verbal irony — irony in which a person says or writes one thing and means another, or uses words to convey a meaning that is the opposite of the literal meaning.
- x-ray binary — a binary star that is an intense source of X-rays and is composed of a normal star in close orbit with a white dwarf, neutron star, or black hole