No Spring Chicken is an idiom used to describe someone who is not young anymore. It is usually used to refer to someone who is elderly or has been around for a long time. The crossword solutions for this term are OLD (3 letters) and ONINYEARS (9 letters). OLD is a simple three letter word that means having existed or lived for a relatively long time. ONINYEARS is a nine letter word that means having lived for many years. Together, these two words can be used to describe someone who is not young anymore and has been around for a long time.