Hypertext Webster Gateway: "invaluable"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Invaluable \In*val"u*a*ble\, a.
Valuable beyond estimation; inestimable; priceless; precious.
From WordNet (r) 1.7 (wn)
invaluable
adj : having incalculable monetary worth [syn: {priceless}]
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.