2005
OneLook Reverse Dictionary
by sierraluna & 14 others (via)
OneLook's reverse dictionary lets you describe a concept and get back a list of words and phrases related to that concept. Your description can be a few words, a sentence, a question, or even just a single word.
2004
Etymology Dictionary
by wyliej & 12 others
Etymologies are not definitions; they're explanations of what our words meant and how they sounded 600 or 2,000 years ago.
