湿っぽい|しめっぽいshimeppoi[4]nakadaka (mid-high)

1. i-adjectivedamp; humid; wet
   このシーツ、湿しめっぽいよ。↗

   The sheets feel damp.
2. i-adjectivegloomy; melancholy

• Synonym多湿たしつNeutralNeutral term for high humidity, as in 「高温多湿」; leans meteorological and is common on labels and notices, with no gloomy sense.
• Synonym湿潤しつじゅんWrittenWritten/formal prose word for moist or humid conditions, as in 「湿潤な気候」; leans meteorological or medical and carries no gloomy nuance.
• RelatedびしょびしょCasualColloquial mimetic word for soaked or drenched; stresses the degree to which something gets soaked, as by rain or sweat.
• RelatedしとしとNeutralMimetic word for rain falling softly and steadily; can also mean damp or moist, but centers on how the rain falls.
• Related蒸し暑いむしあついNeutralMeans muggy or sultry, as in 「蒸し暑い夏」; stresses heat combined with humidity and carries no gloomy nuance.
• Related水っぽいみずっぽいNeutralDescribes food or drink that is watery and bland; stresses diluteness and is not used for a gloomy atmosphere.
• RelatedぐしゃぐしゃCasualColloquial mimetic word for soggy, crumpled or messy states; stresses the shape being messed up rather than the wetness itself.
• RelatedぐじゃぐじゃCasualColloquial mimetic word for soggy, sticky wetness; also describes someone grumbling or complaining on and on.
• RelatedびたびたCasualColloquial mimetic word for drenched or soaked; stresses liquid soaking right in, and is used less often.
• RelatedぐちゃぐちゃCasualColloquial mimetic word for pulpy, soggy messes; stresses things being a total shambles.
• RelatedびちゃびちゃCasualColloquial mimetic word for water splashing and sloshing; stresses the sound of liquid rather than dampness.
• Antonym乾燥したNeutralNeutral antonym meaning dry; contrasts with the damp sense of 「湿っぽい」.
• AntonymからっとしたCasualColloquial antonym meaning dry and crisp, or describing a bright, breezy character; contrasts with both senses of 「湿っぽい」.

Use 「湿っぽい」 for something damp or clammy, or for a gloomy, dreary mood, as in 「湿っぽい部屋」 and 「湿っぽい話」. In written prose say 「湿潤」, and for high humidity say 「多湿」. The mimetic words cover degrees and manners of wetness, 「蒸し暑い」 adds heat, and the antonyms are 「乾燥した」 and 「からっとした」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 湿気しっけがありじめじめしているさま。
2. 陰気いんきくさいさま。