The term BE SWARMING (WITH) can be broken down into four crossword solutions: TEEM (4 letters), TOURISTY (8 letters), TEEMED (6 letters), and LOCUSTA (7 letters). TEEM is a verb meaning to be filled or crowded with people or things. TOURISTY is an adjective describing a place that is full of tourists. TEEMED is the past tense of the verb TEEM, meaning to have been filled or crowded with people or things. LOCUSTA is a noun referring to a type of grasshopper that often travels in large swarms. All together, these words describe a place that is filled with people or things, or a place that is full of tourists, or a place that is swarming with grasshoppers.