Rigid.
Frigid.
A few words that rhyme with "semi-lucid" are lucid, pellucid, and frigid.
Frigid and rigid rhyme with Brigid, if you pronounce it like I do. I can't think of any others, but there could be more.
The weatherman would warn of frigid temperatures.They keep their house too frigid for me.
frigid IS an adjective
Frigid
just as frigid as you my friend
Frigid is an adjective.
The weather outside is frigid.
The duration of I Am Frigid... Why? is 1.65 hours.
There are no jobs in the frigid zone!
You just spelled it.