gasoline (motor fuel)

(baseball) solo homer

(music) solo

tinkle

(informal) to decrease in number / (informal) to have less members or user-generated content

be curved

(archaic) to be; auxiliary used in place of -ある after で or に when forming a copula / (archaic) to do; auxiliary used in place of -ます after the 連用形 (ren'yōkei, “continuative or stem form”) of a verb

to shave

Sol (our sun)

assuming the air of, acting like it (when one is not)