The most common and most likely answer to this crossword clue is the 8 letter word SWARMING
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More clues leading to the result SWARMING
- Ant and mates’ mass action: putting member in motion?
- Pipe in which heat abounding
- Like some insects snug in grass?
- Getting together for party in new home, not saying by what means?
- Like bees in sun initially getting hot
- Expats ultimately approving of congregating together in colonies
- Hang around branch, gathering in great numbers
- Getting hot under sun, moving in large numbers
- Start of summer heating up bees’ activity
- The way the birds and the bees do it, it’s a moving experience?
Buddy explains!

The straight part
We know that "ant and mates’ mass action" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case ant and mates’ mass action = swarming.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 SWARMING mean?
SWARMING verb- To move as a swarm.
- To teem, or be overrun with insects, people, etc.
- To fill a place as a swarm.
- To overwhelm as by an opposing army.
- To climb by gripping with arms and legs alternately.
- To breed multitudes.
- The motion of a swarm.
- A crime where an unsuspecting innocent bystander is attacked by several culprits at once, with no known motive.