undulating
Intermediate (B1)
IPA: /ˈʌn.dʒə.leɪ.tɪŋ/
KK: /ʌnˈdʒuleɪtɪŋ/
adjective
Definition
Having a smooth, wavy shape or movement, like the rise and fall of waves.
Example
The undulating hills created a beautiful landscape.
Comparatives & Superlatives
Comparative: more undulating
Superlative: most undulating
Conversation
Have you seen that new art installation downtown?
Yeah, I saw it yesterday; the undulating shapes were mesmerizing!
I can't believe how they made it look like it was moving.
Right? It really gives a sense of energy to the whole space.
Synonyms & Antonyms
Synonyms
wavy
rolling
sinuous
Antonyms
flat
straight
level
verb
Definition
To move in a smooth, wave-like motion.
Example
The flag was undulating in the breeze.
Tense Forms
Past: undulated
Past Participle: undulated
Conversation
Have you seen the waves undulating at the beach today?
Yeah, they look so calming and beautiful.
I love watching them; it’s like a natural rhythm.
Root Explanation
Undulating is formed from "undula" (from Latin "undula", meaning wave) and the suffix "-ing" (indicating a continuous action). The word describes a motion that resembles the movement of waves, suggesting a smooth, wavy motion.
Memory Tip
Picture waves moving smoothly up and down — that's what undulating means, as it relates to the Latin word for wave.
Visually Confused Words
unslating
unlasting
unelating
ungraduating
undefaulting
reundulation
unvaulting
unrelating