DictionaryAI

safe

SAYF/seɪf/

Noun pluralsafes

18 meanings of safe

Practice

  1. 1
    harmlessadjective
    Not likely to cause harm or loss, or giving protection from it, as a place or shelter does.

    Government bonds are considered a safe investment.

    The surgeon assured them the procedure was completely safe.

    UsageOften safe to + verb (safe to drink) or safe for someone (safe for children).

  2. 2
    adjective
    Free from danger and out of reach of harm, or not at risk from a particular danger.

    The hikers were finally safe after the rescue team reached them.

    All passengers were reported safe after the emergency landing.

    UsageUse safe from to name the danger (safe from the storm); safe and sound means unhurt.

  3. 3
    locked boxnouncountable
    A sturdy box, usually made of metal, in which money and other valuables can be locked away for safekeeping.

    The burglars tried to crack the safe but set off the alarm.

    Older safes relied on heavy steel doors and combination locks.

    Similarstrongbox, vault

  4. 4
    sureadjective
    Certain; sure to happen, succeed, or be correct.

    Given how often the trains run late, it's a safe bet we'll miss the first few minutes of the show.

    The district has elected the same party for fifty years, so both sides treat it as a safe seat.

    UsageMostly in set phrases: a safe bet, it's safe to say something is true, a safe seat in an election.

    Similarcertain, sure, assured

    Oppositeuncertain, doubtful

    Note

    Here safe means sure in a prediction, and it typically takes an infinitive: he's safe to be there. The construction can turn the ordinary meaning upside down. In William Hamilton Maxwell's Erin-go-Bragh, a man is "safe to be hanged," certain of the very harm the word normally denies. Emma Raymond Pitman's Florence Godfrey's Faith uses the gentler, everyday version.

    Checked 5 Nov 2026 · 4 facts

  5. 5
    cautiousadjective
    Cautious in manner or judgment; inclined to avoid risk.

    She's a safe investor who keeps most of her savings in bonds.

    My grandfather is a slow, safe driver who never takes chances on the highway.

    UsageUsually before a noun (a safe driver); play it safe means take no chances.

    Similarcautious, careful, conservative, prudent, circumspect

    Oppositereckless, rash, daring, adventurous

  6. 6
    adjective
    Reliable; able to be trusted or depended on.

    She's regarded as a safe pair of hands during difficult negotiations.

    The almanac proved a safe guide to the planting seasons year after year.

    UsageMost often in the set phrase a safe pair of hands, said of a person trusted with a task.

    Similartrustworthy

    Oppositeunreliable, untrustworthy

  7. 7
    adverbcolloquial
    Carefully and without danger; used especially when saying goodbye to someone who is about to drive or travel.

    Thanks for coming over tonight, and drive safe out there on those icy roads.

    She promised her dad she would ride safe and wear her helmet on the long bike trip.

    Similarcarefully

    Oppositerecklessly, carelessly

    Note

    A flat adverb: the plain adjective form standing where formal grammar expects safely. It belongs to friendly speech, above all the goodbye at the door or the end of a call (drive safe, travel safe), and it comes right after the verb. In formal writing, safely is the form to choose; safe there can read as a slip rather than warmth.

Practice

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

Origin

This word came through Middle English and Old French from Latin salvus ("whole, safe"), which traces back to Proto-Italic and a Proto-Indo-European root meaning "whole, every." It displaced the Old English word sicor ("secure, sure").

Checked 5 Nov 2026 · 5 facts

  • Safe came through Middle English and Old French from Latin salvus. en.wiktionary.org
  • Latin salvus meant “whole, safe.” en.wiktionary.org
  • Salvus traces through Proto-Italic to a Proto-Indo-European root meaning “whole, every.” en.wiktionary.org
  • Safe displaced Old English sicor, meaning “secure, sure.” en.wiktionary.org
  • Sicor was an Old English word ultimately borrowed from Latin sēcūrus through Proto-West Germanic *sikur; removing “native” avoids misrepresenting its origin. en.wiktionary.org