The term 'in need of liniment' can be described by three crossword solutions: ACHY (4 letters), ACHING (6 letters), and SORE (4 letters). ACHY is an adjective meaning 'experiencing pain or discomfort, ' while ACHING is a verb meaning 'to experience a dull, continuous pain.' Lastly, SORE is an adjective meaning 'painful or tender to the touch.' All three words describe someone who is in need of liniment, which is a topical medication used to relieve muscle and joint pain.