Adjectives Starting with ECTO and Containing O

This list gathers 20 English adjectives starting with ECTO and containing O, such as Ectopic, Ectothermic, Ectomorphic, Ectoplasmic, Ectodermal, Ectoparasitic and Ectodermic. Use the sorting controls below to organize entries by length, or consult our adjective grammar guide to check adjective order and comparative rules.

Refine list...
JUMP:
Sort:
Group:
Case:
View:
JUMP TO:
Select any word to view available definitions & photosSelect any word for details
Starts with ECTOB1 words
ectoblastic
Starts with ECTOC1 words
ectocrine
Starts with ECTOD3 words
ectodermal
ectodermic
ectodynamomorphic
Starts with ECTOG3 words
ectogenic
ectogenetic
ectogenous
Starts with ECTOM2 words
ectomorphic
ectomeric
Starts with ECTOP5 words
ectopic
ectoplasmic
ectoparasitic
ectoplastic
ectophytic
Starts with ECTOS1 words
ectosarcous
Starts with ECTOT2 words
ectothermic
ectotrophic
Starts with ECTOZ2 words
ectozoan
ectozoic

•Browse Adjectives by Letter (A to Z)

Select a starting letter to browse adjectives
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.