今いますぐ

Meanings

Emphasizes doing something without delay; stronger and more urgent than すぐ.

今いますぐ〈動どう詞し〉to do something right now
今いますぐ出しゅっ発ぱつしないと遅おくれるよ。
If we don't leave right now, we'll be late.
今いますぐやめるto stop something immediately
その悪わるい習しゅう慣かんは今いますぐやめたほうがいい。
You should quit that bad habit right now.
今いますぐ来きてcome right now (urgent request)
大たい変へんなことが起おきたから今いますぐ来きて。
Something terrible happened, so come right now.
今いますぐ〈事こと〉を確かく認にんするto check/verify something right away
念ねんのため今いますぐ在ざい庫こを確かく認にんしてください。
Please check the stock right away just to be sure.

すぐN4
すぐ means 'soon' or 'right away' but is neutral in urgency, while 今すぐ adds '今' to stress that it must happen this very instant.
直ただちにN3
直ちに is a formal, often written or official word for 'immediately', whereas 今すぐ is the everyday spoken equivalent.
即そく座ざにN1
即座に stresses an instantaneous reaction to something (e.g. answering at once), while 今すぐ is a general demand or promise to act without delay.
今いまにもN4
今すぐ means 'right now' and is often used to demand immediate action, while 今にも describes an event that seems about to occur on its own, without a command.

後あとでN5
後で means 'later', the direct opposite of 今すぐ's insistence on acting without any delay.

Compound of 今 (ima, 'now') and すぐ (sugu, 'immediately'), reinforcing the sense of urgency.