The most common and most likely answer to this crossword clue is the 6 letter word INSIST
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T
More clues leading to the result INSIST
- Those elected first to make demand
- Is and isn’t wrong to demand
- Demand heroin sister’s hiding
- Demand something from vain sister
- Demand little sibling enters in time
- Emphasise sin must be cast out — it’s wrong!
- Maintain relative has no hesitation following One Direction
- Spanish agreement is crucial to May’s formal demand
- Fashionable sister does’t hesitate to make firm demands
- Demand from current, reported growth
Buddy explains!

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 INSIST mean?
INSIST verb- (with on or upon or (that + ordinary verb form)) To hold up a claim emphatically.
- (sometimes with on or upon or (that + subjunctive)) To demand continually that something happen or be done.
- To stand (on); to rest (upon); to lean (upon).