Definition of
nocturnal has definitions from the field of biology
1
[ adjective ] (biology) belonging to or active during the night

Examples

"nocturnal animals are active at night" "nocturnal plants have flowers that open at night and close by day"

Used in print

(Clayton C. Barbeau, The Ikon....)

The dark forms moved like mourners on some nocturnal pilgrimage , their dirge unsung for want of vocal_chords .

Related terms

diurnal biology nighttime

2
[ adjective ] of or relating to or occurring in the night

Examples

"nocturnal darkness"

Related terms

night

3
[ adjective ] of or during or relating to the night

Examples

"a nocturnal journey" "nocturnal stillness" "nocturnal predators"

Related terms

nighttime

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Rhymes with

paternal maternal fraternal kernel colonel external diurnal eternal internal journal vernal kennel departmental terminal doctrinal transcendental environmental monoclonal autumnal tonal tunnel developmental dental experimental continental incremental accidental supplemental occidental elemental sentimental detrimental instrumental fundamental monumental experimental gentle infernal anal cantonal virginal interpersonal impersonal phenol fennel judgmental tribunal transcontinental luminal dimensional unintentional conventional unconventional intentional instructional fractional educational rotational computational invitational connotational vocational occasional confrontational gravitational representational coeducational communal null cornel carnal vaginal oriental penal panel directional sectional seasonal correctional dysfunctional functional sentinel fictional jurisdictional unprofessional operational occupational emotional sensational duodenal obsessional semifinal divisional nutritional transitional nonprofessional devotional denominational navigational nontraditional delusional conversational motivational consonantal congressional constitutional congregational confessional traditional unemotional compositional marginal regional relational recreational longitudinal juvenile additional adrenal proportional promotional unconstitutional institutional processional professional inspirational polygonal exceptional unconditional latitudinal untraditional periodontal provisional aboriginal conditional generational original optional organizational channel chunnel experimental seminal transcontinental venal vinyl annul renal funnel final criminal medicinal national atonal additional bushnell octagonal diagonal national multinational rational irrational international supranational transnational hexagonal retinal nominal duodenal darnel cardinal abdominal intestinal hormonal phenomenal gastrointestinal parnell signal flannel spinal hymnal rational arsenal dismantle semifinal empanel impanel shrapnel subliminal

Phonetic and Homophones

N AA0 K T ER1 N AH0 L

Similar Spelling

nocturnally nocturne nocturia nostril nostrils nycturia nostrum nostradamus

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