covered or composed of moss

resembling or having the qualities of moss

काई से ढका हुआ

English Usage: The old stone wall was mossy and overgrown.

Hindi Usage: पुरानी पत्थर की दीवार काई से ढकी हुई थी।

damp or dark, like a mossy area

काई से भरा हुआ

English Usage: The room had a mossy smell due to the humidity.

Hindi Usage: कमरे में नमी के कारण काई जैसी गंध थी।