The crossword solution for the term 'PENNY-___ (INSIGNIFICANT)' is ANTE, which is a four letter word. The term 'PENNY-___ (INSIGNIFICANT)' is an idiom that means something of little value or importance. The word 'ante' is derived from Latin and is used to refer to a stake or wager in a game or bet. It is also used to describe a small contribution or payment made by each participant in a group activity.