Sentence:  <WSD>Potlucks</WSD> are the time for fun, unfussy dishes. [...] Thankfully, people now enjoy lots of different flavors. Nevertheless, a <WSD>potluck</WSD> with people you don't know well might "not" be the time to bring that tripe recipe you've always wanted to try. 
Meaning of the word marked with <WSD> tags:  A shared meal consisting of whatever guests have brought (sometimes without prior arrangement); a potlatch; also, a dish of food brought to such a meal.