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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.

The copter-drone symbiosis will also come into effective play in civilian, firefighting or police missions, said Gerin-Roze.

From Barron's • Apr. 3, 2026

Tergit refuses to present the Holocaust as the telos of a necessarily failed German-Jewish symbiosis.

From The Wall Street Journal • Jan. 16, 2026

This partnership, known as symbiosis, is the reason legumes can grow without artificial fertilizer.

From Science Daily • Dec. 9, 2025

Ultimately, Saka and Odegaard's symbiosis on Saturday extended to the very end of their time on the pitch.

From BBC • Nov. 30, 2024

One way to put it is that the earth is a loosely formed, spherical organism, with all its working parts linked in symbiosis.

From "The Lives of a Cell" by Lewis Thomas