Texas Home Educators 

Vocabulary--Spelling & Definitions for Jr. and Sr. High

Word puzzles for SAT words and other great fun ways to learn while not doing a spelling list ~Jube

Vocabulary University, great place with lots of fun things for the teens, and lots of stuff for SATs.

We subscribe to a free email list (*another* one!) that sends, only once a day, a new word with its definition, example usage and a little of its background. Check it out and look for the Word of the Day section. ~David in NZ

Above is an excellent site for making your own puzzles. Use it for spelling words, memory work, you name it. The puzzles are totally custom made to your specifications. ~Grae
This links you to a sampler for the 4th-12th grade books. The neat thing about this vocabulary series is that multiple meanings of the words are taught.  ~AngieW
Ed Helper let's you make word lists and has great vocabulary building helps for grades 1-12, including SATs.  You have to sign up for some features, but it looks like it's free. ~Jube
A Spelling Test page from a homeschool Mom.

Spelling it Right - Learn to Spell Confidently: Help, free worksheets and advice from an experienced English teacher.

SuperKids Vocabulary Builders, lots of fun things to do here.