AIL definition and meaning | Collins English Dictionary If something ails a group or area of activity, it is a problem or source of trouble for that group or for people involved in that activity A full-scale debate is under way on what ails the industry [VERB noun] If something ails someone, they are ill 'What ails you?' he asked [VERB noun] Collins COBUILD Advanced Learner’s Dictionary
Ail Definition Meaning | Britannica Dictionary AIL meaning: 1 : to cause pain or trouble for (someone) trouble often used figuratively; 2 : to suffer bad health often used figuratively