weaken in Polish:

1. osłabić

Polish word "weaken"(osłabić) occurs in sets:

how trees talk to each other
Pani Małgosia 003, 18.10.2012r
doing what you have to
Ekonomia - other vocabulary
1c. why do rivers curve?

2. słabnąć

Polish word "weaken"(słabnąć) occurs in sets:

57 - Broken marriages słówka
Television (disadvantages)
Technology - Unite 3
Ub beat 3 Unit 5
Unit 1, 2, 3 Technology