poikilothermic

P3O1I1K5I1L1O1T1H4E1R1M3I1C3

adjective

Having a body temperature that varies depending on the outside temperature.

Similar
cold-bloodedpoikilothermalpoikilothermousheterothermicectothermic
Opposite
homeothermic
Scrabble 27
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Meanings

adjectivepoikilothermic (not comparable)
  1. not comparableHaving a body temperature that varies depending on the outside temperature.

    Synonyms: cold-blooded, poikilothermal, poikilothermous

Synonyms & antonyms

adjectiveHaving a body temperature that varies depending on the outside temperature.

Similar
cold-bloodedpoikilothermalpoikilothermous
Opposite
homeothermic

More synonyms by meaning

adjectiveof animals except birds and mammals; having body temperature that varies with the environment

Similar
poikilothermousheterothermicectothermiccold-blooded
Also see
cold-bloodedectothermicheterothermicpoikilotherm

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From poikilo- + -thermic.

Full word history & related roots →
Cite this entry
APA

poikilothermic. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/poikilothermic

MLA

“poikilothermic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/poikilothermic. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “poikilothermic,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/poikilothermic.

Source: poikilothermic on Wiktionary, CC BY-SA 4.0.