The term 'DON'T ___!' can be completed with a variety of words from the crossword solutions given. The three letter solutions are 'ASK' and 'NOI', which mean 'do not ASK' and 'no, I don't' respectively. The four letter solution is 'NONO', which means 'no, no'. The five letter solutions are 'POINT' and 'TABOO', which mean 'do not POINT' and 'do not do something that is socially unacceptable' respectively. The fifteen letter solutions are 'PLAYWITHMATCHES', 'TALKTOSTRANGERS', 'LETTHEBEDBUGSBITE', 'SQUEEZETHECHARMIN', 'TAKEWOODENNICKELS', and 'TALKWITHYOURMOUTHFULL', which mean 'do not play with matches', 'do not talk to strangers', 'do not let the bedbugs bite', 'do not squeeze the Charmin', 'do not take wooden nickels', and 'do not talk with your mouth full' respectively. All of these words can be used to complete the phrase 'DON'T ___!' to express a warning or prohibition.