1. undersize - Adjective
2. undersize - Adjective Satellite
smaller than normal for its kind
Source: WordNetEarlier this month, they also nabbed two fishermen leaving Harvey Dam with more than 70 out-of-season marron, 60 of which were undersize. Source: Internet
There was the odd 45cm whiting but most were closer to 35cm and plenty of undersize ones. Source: Internet