uni

one; single

Spelled uni · unus 'one'

Latin unus meant one: uniform things share one form, unison joins sounds as one, and unanimous people share one mind.

Words built from it

uniform — the same throughout; consistent
uni (one) + form (shape)
unison — the state of sounding or acting together as one
uni (one) + son (sound)
unify — to bring together into a single whole
uni (one) + -fy (make)
unanimous — fully in agreement; sharing the same opinion
uni (one) + anim (mind) + -ous (having)
unilateral — involving or done by only one side
uni- (one, from Latin unus) + lateral (relating to a side, from Latin latus, lateris)
unique — the only one of its kind
uni (one) + -ique (characterized by)

uninspired — English un- (not) + inspired means lacking inspiration. The letters 'uni' cross the boundary between the Old English negative prefix and inspired; they do not represent Latin uni- (one).
uninformed — English un- (not) + informed means lacking knowledge. The letters 'uni' cross the boundary between the Old English negative prefix and informed; they do not represent Latin uni- (one).