adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Spending part of the life cycle underwater. Also, spending a significant proportion of its time in both terrestrial and aquatic environments. not-comparable
2. 2
   Having the roots partially or entirely underwater. not-comparable

Adjective

1. 1
   partially aquatic; living or growing partly on land and partly in water wordnet
2. 2
   having an aquatic early or larval form and a terrestrial adult form wordnet

Synonyms

All synonyms

amphibioticamphibioticaquaticsubaquatic

Example

More examples

"The hippopotamus is a semiaquatic, mostly herbivorous mammal."

Etymology

From semi- + aquatic.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.