Thoughtless as monarch oaks that shade the plain.
Dryden.
— Thought"less*ly, adv. — Thought"less*ness, n.
Thou"sand (?), n. [OE. þousend, þusend, AS. þsend; akin to OS.
thsundig, thsind, OFries. thusend, D. duizend, G. tausend, OHG. tsunt,
dsunt, Icel. þsund, þshund, Sw. tusen, Dan. tusind, Goth. þsundi, Lith.
tukstantis, Russ. tuisiacha; of uncertain origin.] 1. The number of ten
hundred; a collection or sum consisting of ten times one hundred units
or objects.