Refers to a moderate amount of moisture or dampness, often in the air, soil, or objects. Not as strong as 湿気 (しっけ), which can imply uncomfortable humidity.
This room has a lot of dampness.
Sow the seeds while the soil still has moisture.
Standard kanji spelling, common in news and everyday writing.
Search-only form; the standard spelling is 湿り気.
Compound of 湿り (しめり, 'moisture', from verb 湿る しめる) + 気 (け, 'feeling, sign'). The け is a suffix indicating a state or quality.