
Word families (Nouns, Verbs, Adjectives, Adverbs): nerve, nerves, nervousness, unnerve, nervous, nervy, nerveless, unnerving, nervously, nervelessly, unnervingly
Xem thêm: cool, coolheaded, feeble
adj.
play it cool
keep cool
stayed coolheaded in the crisis
the most nerveless winner in the history of the tournament