Suddenly Meaning, Examples, and Usage Guide

Meaning 1：quickly and unexpectedly (suddenly)

suddenly 🔊

/ˈsʌdənli/

adv

Happening quickly and without any warning.

Suddenly weather change from sunny to rainy, person surprised

quickly and unexpectedly 🔊

➕

/ˈkwɪkli ænd ˌʌnɪkˈspɛktɪdli/

adv

In a way that happens quickly and without any warning.

📁 Category：Behaviors & Actions 🔖 Level：Elementary

📘 Details & Usage

📖 Root Explanation

From 'sudden' (Latin 'subitus' meaning abrupt) + '-ly' (adverb suffix).

💡 Mnemonic

Sud-den-ly: think of a sudden lightning flash that happens without any warning.

📖 Example

I was reading a book when the power suddenly went out. 🔊 I was reading a book when the power suddenly went out.

🔗 Collocations

suddenly stop – to come to an abrupt halt

suddenly realize – to become aware of something in an instant

suddenly appear – to come into view without warning

🔄 Synonyms

abruptly (adv) – In a way that is sudden and unexpected.

unexpectedly (adv) – In a manner not foreseen or anticipated.

all of a sudden (phrase) – Used to describe something that happens quickly and without warning.

🚫 Antonyms

gradually (adv) – In a slow, step-by-step manner.

slowly (adv) – At a low speed; not quickly.

predictably (adv) – In a way that can be expected or foreseen.

🌱 Derivatives

sudden (adj) – occurring without warning

suddenness (n) – the quality of being sudden

📖 Cultural Story

Originates from Latin 'subitus' (unexpected), via Old French 'soudain'. Entered English in the 13th century, evolving from meaning 'immediate' to 'without warning'.