different between undull vs undulate

English

Etymology 1

From Middle English undull, equivalent to un- (“not”) +? dull.

Adjective

undull (comparative more undull, superlative most undull)

1. Not dull; sharp.

Etymology 2

From un- +? dull.

Verb

undull (third-person singular simple present undulls, present participle undulling, simple past and past participle undulled)

1. (transitive) To remove the dullness of; clear.
   • 1654, Richard Whitlock, Zootomia; Or, Observations on the Present Manners of the English

     It is a most musicall Modulator of all Intelligibles by her inventive Variations, undulling their Grossenesse, and subliming it into more refined Acceptablenesse to our own, or others understandings.

English

Etymology

Borrowed from Late Latin undul?tus (“undulated”), from an unattested *undula (“small wave”), diminutive of Latin unda (“wave”).

Pronunciation

• IPA^(key): /??ndj?le?t/, /??ndj?le?t/, /??nd??le?t/, /??nd??le?t/, /??nd?le?t/
• (adjective, non-merged vowel) IPA^(key): /??ndj?l?t/, /??ndj?l?t/, /??nd??l?t/, /??nd??l?t/, /??nd?l?t/
• (adjective, merged vowel) IPA^(key): /??ndj?l?t/, /??nd??l?t/, /??nd?l?t/

Verb

undulate (third-person singular simple present undulates, present participle undulating, simple past and past participle undulated)

1. (transitive) To cause to move in a wavelike motion.
   • 1669, William Holder, Elements of Speech

     Breath vocalized, i.e., vibrated and undulated.

2. (transitive) To cause to resemble a wave
3. (intransitive) To move in wavelike motions.
4. (intransitive) To appear wavelike.

Translations

See also

• oscillate

Adjective

undulate (comparative more undulate, superlative most undulate)

1. Wavy in appearance or form.
2. Changing the pitch and volume of one's voice.
3. (botany, of a margin) sinuous, winding up and down.

Translations

Latin

Adjective

undul?te

1. vocative masculine singular of undul?tus