adjective, verb

open

/OH-pen/ o·pen 2 syllables

Not closed or blocked; honest and receptive to ideas.

Word facts

Part of speech adjective, verb
Syllables 2
Letters 4
Starts with O

Definition

Open describes something not closed or blocked, available to access or use. As a verb, to open means to make or become accessible. As an adjective, open also means honest, willing to listen, and receptive to new ideas.

Usage: Open has both physical senses (an open window) and metaphorical senses (an open mind, an open question). Open can also mean not decided: 'The question is still open'.

Example sentences

  1. 1

    Please keep the door open — it helps with ventilation.

  2. 2

    She has an open mind and listens before judging.

  3. 3

    The shop opens at eight in the morning.

Word family

noun / adjective opening
adverb openly
noun openness
verb reopen
Word origin

From Old English open ('open, manifest'), from Proto-Germanic *upanaz. Related to 'up' — an open door faces upward, unobstructed.

Memory tip

Open is the opposite of closed — physically and mentally. An open mind is one that hasn't closed off any possibilities.

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FAQ

Questions people ask

What does open-minded mean?

Open-minded means willing to consider new ideas and opinions without prejudice.

What is the noun form of open?

Openness is the noun for the quality. An opening refers to a gap or an opportunity.