The term 'most cliched' can be defined as something that has been used so often that it has become unoriginal and predictable. The crossword solutions for this term are 'stalest' and 'tritely'. Stalest means having lost freshness or flavor due to age, while tritely means expressed in a dull or unoriginal way. Together, these two words describe something that has been used so often that it has become stale and unoriginal.