Airlessness is a state of being without air or proper ventilation. To describe this condition, one can use synonyms like suffocation, stuffiness, stale, stifling and claustrophobic. Suffocation refers to the blockage of air that causes difficulty in breathing while stuffiness relates to the accumulation of hot and humid air. Stale refers to the unchanging air quality that causes discomfort, and stifling denotes the oppressive feeling that the air is too warm and heavy. Claustrophobic portrays the sensation of being trapped in an enclosed, dark and unventilated area. These synonyms aid in clearly conveying the feeling of airlessness in various situations.