adj. 25B6; adjective
a comfortable lifestyle : PLEASANT, free from hardship; affluent, well-to-do, luxurious, opulent.
a comfortable room : COSY, snug, warm, pleasant, agreeable; restful, homelike, homely; informal comfy.
comfortable clothes : LOOSE, loose-fitting, casual; informal comfy.
a comfortable pace : LEISURELY, unhurried, relaxed, easy, gentle, sedate, undemanding, slow; informal laid-back.
they feel comfortable with each other : AT EASE, relaxed, secure, safe, unworried, contented, happy.
hard, spartan, tense.