The most common and most likely answer to this crossword clue is the 6 letter word BROOMS
I've seen this crossword clue in The Guardian
B
R
O
O
M
S
More clues leading to the result BROOMS
Buddy explains!
The straight part
We know that "They are pushed to clean/They are pushed to clean" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case they are pushed to clean/they are pushed to clean = brooms.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does BROOMS mean?
BROOMS verb- To clean (e.g. a ship's bottom of clinging shells, seaweed, etc.) by the application of fire and scraping.
- A domestic utensil with fibers bound together at the end of a long handle, used for sweeping.
- An implement with which players sweep the ice to make a stone travel further and curl less; a sweeper.
- Any of several yellow-flowered shrubs of the family Fabaceae, in the tribe Genisteae, including genera Cytisus, Genista, and Spartium, with long, thin branches and small or few leaves.
- A gun, because it is more or less long, held similarly to a besom and “cleans” what is in front.
- To sweep with a broom.
- (roofing) To improve the embedding of a membrane by using a broom or squeegee to smooth it out and ensure contact with the adhesive under the membrane.