Become Tired is a phrase that describes the feeling of exhaustion after a long period of activity. The crossword solutions for this term are FLAG (4 letters), PALL (4 letters) and Wearout (7 letters). FLAG is a term used to describe a drooping or sagging, which can be associated with tiredness. PALL is a term used to describe a dark or dull atmosphere, which can also be associated with fatigue. Wearout is a term used to describe the gradual decline in effectiveness due to prolonged use, which can be linked to becoming tired.