Similarly, she indulged a mettlesome fancy for referring to her hostess as "dear Abigail."
The horse was mettlesome enough to require all her attention.
You study its moods and its ways as those of a mettlesome horse.
Quesada selected the most mettlesome and leaped into the deep saddle.
Her coachman had all he could do to control her mettlesome span of Spanish mares.