DictionaryAI

background

BAK-grownd/ˈbæk(ɡ)ɹaʊnd/

Pluralbackgrounds

13 meanings of background

Practice

  1. 1
    personal historynouncountable
    A person's social heritage and past experiences; the life they came from.

    Applicants from many different backgrounds attended the open day.

    Her background in music shaped how she approached teaching.

    UsageOften come from a working-class background; for training or experience, a background in a field.

    Similarupbringing, experience, origins

  2. 2
    backdropnouncountable
    The part of a picture, scene or view that lies behind the main subject or the foreground.

    The portrait's dark background draws the eye toward the sitter's face.

    She blurred the background so the bride stood out sharply in the shot.

    UsageUsually in the background: mountains in the background. The front part is the foreground.

  3. 3
    noununcountable
    Information about past events that is relevant to understanding the current situation.

    The article opened with enough background to explain the conflict's origins.

    Detectives gathered background on the suspect's recent movements.

    UsageOften background on something: some background on the dispute; also background information.

    Similarcontext, history, information (entry), backstory

  4. 4
    out of the spotlightnoun
    A less prominent position, in which a person or thing draws less notice or carries less weight than others in a situation or activity.

    The founder has moved into the background and lets her deputies run the company.

    During the campaign, questions about the budget were pushed into the background.

    UsageUsually in or into the background: stay in the background, fade into the background.

    Oppositeforeground, forefront, spotlight

    Note

    Like the rear plane of a picture or a stage, this is a figurative position: someone or something in the background is still present, just out of the spotlight. Its natural opposite is the foreground, the same pairing that organizes a scene or landscape.

  5. 5
    adjective
    Of less importance or noticeability within a scene or system.

    Background characters filled the busy market scene without any lines.

    The report treated safety as a background concern rather than a priority.

    UsageUsed before a noun: background music, background noise, a background concern.

    Similarsecondary, minor, peripheral, incidental

    Oppositemain, central, primary

    Note

    Here the noun works as a modifier, and the word is simply back plus ground: background noise, a background thread. The thread example points toward computing, where activity hidden from the user gives the word its most technical edge.

  6. 6
    hidden (computer)nounusually singular
    A class of computer activity that runs without normally being visible to the user.

    The sync service operates in the background, uploading changes as they happen.

    Closing the window doesn't stop the task; it simply continues in the background.

    UsageAlmost always in the background: a program runs in the background; the window in use is in the foreground.

    Oppositeforeground

    Note

    The meaning lives almost entirely in one fixed phrase: a program runs in the background, as an antivirus scan does while you keep working. Such processes are typically given lower priority so that whatever the user is actively doing stays responsive.

  7. 7
    desktop imagenouncountable
    The image or color displayed behind the icons and windows on a computer's desktop.

    He customized the background with a dark gradient to reduce eye strain.

    The new update reset everyone's desktop background to the default image.

    UsageOften desktop background; you set an image as your background.

    Similarwallpaper

  8. 8
    radiationnoununcountableabbreviationellipsis

    Geiger counters always register some background, even far from any source.

    Before testing the ore for radioactivity, the team measured the natural background in the room so they could subtract it from the readings.

    Note

    Physicists clip background radiation to its first word once the context is clear: counters always pick up some background, and researchers subtract it to isolate a signal. It also builds compounds such as low-background, for setups meant to keep that ambient radiation to a minimum. What is meant is ionizing radiation present in the environment from natural and artificial sources, usually treated as uncountable.

    Checked 5 Nov 2026 · 4 facts

    • Radiation counters detect background counts, which are subtracted to isolate the source signal. physics.smu.edu
    • Low-background measurement setups reduce ambient radiation reaching their detectors. pnnl.gov
    • Background radiation is ionizing radiation present in the environment. osha.gov
    • Background radiation includes natural and artificial sources. epa.gov

Practice

Can you tell the meanings of background apart? Answer 3 quick questions from this page, or write your own sentence and AI will check it.

Origin

Formed from the words "back" and "ground."

Checked 5 Nov 2026 · 1 fact