Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLES FROM THE WEB FOR UNACHIEVABLE

A huge "battlefield" stun grenade that encompasses large areas is a dramatic if unachievable illustration.

WORD ORIGIN

early 14c., from Old French achever (12c.) "to finish, accomplish, complete," from phrase à chef (venir) "at an end, finished," or Vulgar Latin *accapare, from Late Latin ad caput (venire); both the French and Late Latin phrases meaning literally "to come to a head," from stem of Latin caput "head" (see capitulum).

Related: Achieved; achieving.

MORE RELATED WORDS FOR UNACHIEVABLE

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.