im-
Latinnot, opposite of
Prefix · means "not, opposite of"
Same-family forms
Roots often paired with im-
Associated Words · 109
impact
A collision or strong effect; to strongly influence or affect
improve
to make or become better
impossible
Not able to happen or be done; something that cannot be achieved
implement
To carry out a plan or decision; a tool for a specific task
impose
To force a rule, tax, or burden on someone
implication
An indirect effect or consequence; something suggested without being stated
impression
A feeling or image retained in the mind; a mark made by pressure
imply
To suggest something indirectly; to have as a logical consequence
impress
To have a strong positive effect on someone; to make someone feel admiration
impressive
Causing admiration or respect; having a strong positive effect
immune
Protected against disease or harmful influence; exempt from something
impulse
A sudden urge to act; a sudden driving force
immense
Extremely large in size or extent
implant
To insert surgically into the body; a surgically inserted device
implicit
Implied but not directly stated; absolute and unquestioning
imitation
The act of copying; a copy or simulation
impair
To weaken or damage, making less effective
impatient
Unable to wait calmly; easily annoyed by delays; eagerly wanting something
implicate
To show involvement in wrongdoing; to imply as a consequence
immerse
To plunge into liquid; to absorb deeply in an activity
improper
Not suitable or appropriate; not conforming to social standards
improvise
To create or perform without preparation; to make do with what is available
impede
To slow down or block progress; to hinder
impetus
A driving force or stimulus that encourages progress