To resist the temptation to make a bad choice.

To clearly show one's support for a side or opinion in a dispute, often indicating an intention to defend that side to the end.

Alternative spelling of nail one's colours to the mast

present participle of nail one's colours to the mast

simple past tense and past participle of nail one's colours to the mast

Third-person singular simple present indicative form of nail one's colours to the mast