under-

Prefix meaning below

Under- is a prefix indicating position below (underground, underwater), insufficiency (underpaid, undercooked), or subordinate status (undersecretary).

It attaches productively to verbs, nouns, and adjectives: The steak was undercooked.

She felt undervalued at work.

Under- often contrasts with over-: underestimate versus overestimate, underfunded versus overfunded.

insufficient

underfunded

Insufficiently financially supported

underequipped · underserved · undernourished · underweight · underpowered · underperforming · underrepresented · underutilized · underqualified · underdeveloped

below

beneath

In a lower position

underworld · underbelly · undercarriage · underpass · underfloor · underlayer · underside · undergrowth · undercurrent · underbrush

subordinate

underling

Person of lower rank

underclass · underboss · underclerk · underbutler

concealed

undercover

Secretly engaged in espionage

undercurrent · understatement · underthought · underplot · understory

process

undergo

Be subjected to

underline · underscore · undercut · undermine · understand · underwhelm · underbid · undersell · understate · underachieve

Categories
Opposites
vertical position/spatial relationship

under-over-

Beyond proper measure

hyper- · super- · ultra- · arch- · extra-

Phrases
Family

under, underneath, undermost

Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G