/dhoh/ , conj.
1. (used in introducing a subordinate clause, which is often marked by ellipsis) notwithstanding that; in spite of the fact that; although: Though he tried very hard, he failed the course.
2. even if; granting that (often prec. by even ).
3. as though , as if: It seems as though the place is deserted.
adv.
4. for all that; however.
[ 1150-1200; ME thoh tho (earlier * thauh ); r. OE theah; c. G doch, Goth thauh ]
Usage . Among some conservatives there is a traditional objection to the use of THOUGH in place of ALTHOUGH as a conjunction. However, the latter (earlier all though ) was originally an emphatic form of the former, and there is nothing in contemporary English usage to justify such a distinction.