Definition:
- (a.) Proceding from natural feeling, temperament, or disposition, or from a native internal proneness, readiness, or tendency, without constraint; as, a spontaneous gift or proportion.
- (a.) Proceeding from, or acting by, internal impulse, energy, or natural law, without external force; as, spontaneous motion; spontaneous growth.
- (a.) Produced without being planted, or without human labor; as, a spontaneous growth of wood.
Compare spontaneous with other words:
routine vs. spontaneous
reparation vs. spontaneous
quick vs. spontaneous
coincidence vs. spontaneous
careful vs. spontaneous
keenness vs. spontaneous
planned vs. spontaneous
instantaneous vs. spontaneous
premeditated vs. spontaneous
gratuitous vs. spontaneous
casual vs. spontaneous
fissiparism vs. spontaneous
heterogenist vs. spontaneous
prosiopesis vs. spontaneous
organize vs. spontaneous
capricious vs. spontaneous
discussing vs. spontaneous
impetuous vs. spontaneous
hastily vs. spontaneous
random vs. spontaneous
mobile vs. spontaneous
delibrate vs. spontaneous
spontaneous vs. unbidden
laughter vs. spontaneous
induce vs. spontaneous
spontaneous vs. systemic
rash vs. spontaneous
impulsive vs. spontaneous
compulsive vs. spontaneous
spontaneous vs. voluntary
impromptu vs. spontaneous
deliberate vs. spontaneous
spontaneous vs. uncaused
spontaneous vs. unstudied
doorstop vs. spontaneous
miscarriage vs. spontaneous
auto vs. spontaneous
organized vs. spontaneous
extemporize vs. spontaneous
spontaneous vs. unplanned
reflexive vs. spontaneous
adventitious vs. spontaneous
banter vs. spontaneous
happening vs. spontaneous
spontaneity vs. spontaneous
autonomous vs. spontaneous
impulse vs. spontaneous
constraint vs. spontaneous
native vs. spontaneous
natural vs. spontaneous
planning vs. spontaneous
free vs. spontaneous
choice vs. spontaneous
cause vs. spontaneous
external vs. spontaneous
apparent vs. spontaneous
generate vs. spontaneous
improvised vs. spontaneous
candid vs. spontaneous
spontaneous vs. systematic
spontaneous vs. ultroneous
instinctive vs. spontaneous
brute vs. spontaneous
abiogenous vs. spontaneous
abiogenesis vs. spontaneous