temper (of human or animals).

rough, harsh, intense (in regards to motion or movement)

straight, not bent

直ぐ: immediately, right away, soon / 直ぐ: quick to / 直ぐ: right next to, right close by

(obsolete) 過ぐ: classical form of modern 過ぎる (sugiru, “to go through, to go past; to exceed”)

(obsolete) 挿ぐ: classical form of modern 挿げる (sugeru, “to connect or affix one thing to another, especially by passing something through something else”)

直ぐに: immediately

anger, fury

to scold / to get angry, to anger

to get angry, to anger / to be shaped roughly / to go rumble, to behave roughly