Matching Pairs Prefixes 1Online version Match the couples by Karen Estrella Romero González 1 To overload is: 2 To do something too much 3 To undermine is: 4 To think that something is smaller than it actually is 5 To do less well than you could do,e.g.,at school. 6 To overrate is: To gradually make something weaker or someone less confident To underestimate is: To underachieve is: To say that something or someone is better than actually is To overdo is: To give someone too much of something