cosy

Etymology

From Scots cosie, from Old Scots colsie, but ultimate derivation is unknown. Possibly of North Germanic origin, such as Norwegian kose seg (“to have a cozy time”), from Old Norse kose sig, from koselig, koslig, perhaps ultimately from Old High German kōsa; see modern German kosen (“to cuddle”).

adj

1. Affording comfort and warmth; snug; social.
2. Warm and comfortable.
   I feel very cosy here in my bed.

noun

1. A padded or knit covering put on an item to keep it warm, especially a teapot or egg.
2. A padded or knit covering for any item (often an electronic device such as a laptop computer).
3. A work of crime fiction in which sex and violence are downplayed or treated humorously, and the crime and detection take place in a small, socially intimate community.

verb

1. To become snug and comfortable.
2. To become friendly with.
   He spent all day cosying up to the new boss, hoping for a plum assignment.