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Definitions

symbiosis

[sim-bee-oh-sis, -bahy-] / ˌsɪm biˈoʊ sɪs, -baɪ- /
NOUN
cooperation
Synonyms
STRONGEST
aid assistance collaboration participation partnership service unity
STRONG
alliance cahoots coaction coalition combination communion company concert concurrence confederacy confederation conspiracy federation fusion give-and-take harmony help helpfulness logrolling partisanship reciprocity responsiveness society synergism synergy teamwork unanimity union
WEAK
coadjuvancy combined effort confunction doing business with esprit de corps playing ball teaming
Antonyms
STRONG
antagonism disagreement discord disunion disunity division divorce hostility management separation
WEAK
blockage delay encumbrance hindrance obstruction prevention stoppage
NOUN
life
Synonyms
STRONGEST
body existence growth living man person soul survival woman
STRONG
animal animateness animation breath consciousness continuance creature endurance entity essence flesh human individual metabolism mortal organism personage presence subsistence substantiality viability vitality wildlife
WEAK
flesh and blood human being living being living thing mortal being vital spark
Antonyms
STRONG
abstract concept inanimate
WEAK
death inanimacy
NOUN
synergy
Synonyms
STRONGEST
teamwork
STRONG
alliance coaction harmony synergism union unity
WEAK
combined effort team effort teaming working together
Antonyms
STRONG
discord divorce separation
NOUN
teamwork
Synonyms
STRONGEST
harmony partnership synergy unity
STRONG
alliance assistance coalition confederacy confederation federation help partisanship synergism union
WEAK
combined effort doing business with esprit de corps joint effort pulling together team effort teaming working together
Antonyms
STRONG
divorce hindrance hurt injury management separation stop
NOUN
union
Synonyms
STRONG
abutment accord agglutination agreement amalgam amalgamation blend centralization combination commixture compound concatenation conciliation concord concurrence confluence congregation conjunction consolidation correlation coupling fusion harmony hookup incorporation intercourse joint junction juncture meeting merging mixture seam synthesis tie up tie-in unanimity unification unison uniting unity
WEAK
coadunation coming together melding
Antonyms
STRONG
detachment disagreement disconnection discord dissolution division imbalance parting separation severance
WEAK
divorce

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Nothing captures Mr. Sankar’s ardent pursuit of a private-public defense symbiosis better than his call to seek out “heretics” and elevate them to positions of military and strategic authority.

From The Wall Street Journal • Apr. 16, 2026

According to critics, this symbiosis creates a scientific veneer for state violence, allowing law enforcement to brand old tactics of containment and harassment as “precise” and “data-driven.”

From Salon • Feb. 8, 2026

According to the study, this symbiosis offers Sargassum a competitive advantage over other algae in the Equatorial Atlantic and helps explain the changes in Sargassum abundance recorded in past years.

From Science Daily • Nov. 19, 2025

Musk, for one, has repeatedly said he ultimately wants Neuralink to allow humans to achieve "symbiosis" with AI.

From Barron's • Nov. 12, 2025

That they had come to such symbiosis continually surprised Kathy.

From "Zeitoun" by Dave Eggers

Vocabulary lists containing symbiosis

Words to Live By: Bio

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

National Spelling Bee '14: Prelims Round 2

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Life Science: Ecosystems

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!