cosy

adjective

1. enjoying or affording comforting warmth and shelter especially in a small space

Similar word(s): comfortable, comfy, cozy, snug

noun

1. a padded cloth covering to keep a teapot warm

Similar word(s): cozy

Definition categories: man–made

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.