adjective

• Of sinews and tendons.
• (obsolete) Full of sinews.
• (obsolete) Having strong or prominent sinews; sinewy, muscular.
• (obsolete) Of a piece of writing, literary style etc.: forceful, powerful.
• Of nerves.
• Supplied with nerves; innervated.
• Affecting or involving the nerves or nervous system.
• (botany, obsolete) Nervose.
• Easily agitated or alarmed; edgy, on edge.
• Apprehensive, anxious, hesitant, worried.