I. though 1 S1 W1 /ðəʊ $ ðoʊ/ BrE AmE conjunction
1 . used to introduce a statement that makes the main statement coming after it seem surprising, unlikely, or unexpected SYN although :
Though she’s almost 40, she still plans to compete.
Pascal went ahead with the experiment even though he knew it was dangerous.
though old/tired etc
The rooms, though small, were pleasant and airy.
old though it is/tired though he was etc
Strange though it may seem, I like housework.
2 . used like ‘but’ to add a fact or opinion that makes what you have just said seem less definite, less important etc:
I thought he’d been drinking, though I wasn’t completely sure.
The offenders were dealt with firmly though fairly.
3 . as though
a) in a way that makes you think something is true SYN as if :
It looks as though everyone else has gone home.
b) in a way that might make you think something was true, although you know it is not true SYN as if :
She stared at me as though I were a complete stranger.
II. though 2 S1 BrE AmE adverb
[ Date: 1200-1300 ; Language: Old Norse ; Origin: tho ]
spoken used after adding a fact, opinion, or question which seems surprising after what you have just said, or which makes what you have just said seem less true:
Two heart attacks in a year. It hasn’t stopped him smoking, though.
It sounds like a lot of fun. Isn’t it rather risky though?