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Longman Dictionary of Contemporary English
▪ This clearly is a constitutionally permissible goal for an institution of higher education.
▪ Stiffer emission standards are being introduced to reduce permissible levels.
▪ The use of racial preferences is not permissible under the new law.
▪ As long as any advert does not bring the profession into disrepute nor is in bad taste then it is permissible.
▪ If reference to Hansard is not permissible, what is the true construction?
▪ Is it permissible to vary assignments, to expect less from certain students while demanding more from others?
▪ It becomes permissible to import toilers with swarthy skins who speak unintelligible languages.
▪ Moreover, it is permissible to make objects multi-functional, for example where a speed-bump is designed also to attract children's play.
▪ No plant has any right to talk of safe amounts and permissible amounts.
▪ Sometimes I make a point of not saying the pledge at all, just to make sure abstention remains permissible.
▪ What is, and what is not, permissible varies with time and place.
The Collaborative International Dictionary

Permissible \Per*mis"si*ble\, a. That may be permitted; allowable; admissible. -- Per*mis"si*ble*ness, n. -- Per*mis"si*bly, adv.

Douglas Harper's Etymology Dictionary

early 15c., from Old French permissible (15c.) and directly from Medieval Latin permissibilis, from permiss-, past participle stem of Latin permittere (see permit (v.)).


a. permitted.

  1. adj. that may be permitted especially as according to rule; "permissible behavior in school"; "a permissible tax deduction" [ant: impermissible]

  2. that may be accepted or conceded; "a kind of speculation that was permissible in cosmology but inadmissible in medicine"

Usage examples of "permissible".

It seems permissible, therefore, to consider a possibility neither Tuttle nor Leakey mentionedthat creatures with anatomically modern human bodies to match their anatomically modern human feet existed some 3.

It referred to the conditions of permissible experimentation which, as yet, do not exist in any American state.

Surely the experimenters should ask no clearer exculpation from all blame, so far as relates to permissible experimentation on man.

The nova, the Aristotelians argued, must inhabit the sublunar sphere between the Earth and the Moon, where change was permissible.

It asks society neither to approve of everything, nor to condemn everything, but to draw a line between experiments that, by reason of utility and painlessness, are entirely permissible, and others which ought assuredly to be condemned.

Admitting that some experiments upon human being may be ethically permissible, and that other phases of such investigations are morally wrong, how are we to distinguish between them?

Before even Golds settle down to Vicaria and the permissible sex life, they go through a period of adjustment and sex-ploration.

Whether It Is Permissible to Receive Communion from Heretical, Excommunicate, or Sinful Priests, and to Hear Mass Said by Them?

After some contemplation of the fine shadings of morality, it was decided that the use of specially produced duplicates, provided that they were terminated quickly and humanely immediately after their synthesis, was ethically permissible.

As she swam further out to sea and then turned back and looked along the snarling milk-white teeth of England to the distant arm of Dover and at the black and white confetti of the ravens and gulls tossed against the vivid backcloth of green fields, she decided that anything was permissible on such a day and that, just this once, she would forgive him.

We map her out a course of permissible follies, and she plays to lose the thousand by degrees, with as telling an effect upon a connubial conscience as we can produce.

It told how they had stepped over the line of what was permissible at their medical schools, how they'd become obsessed with cloning and gone underground in Arizona, and finally how they'd transformed themselves from a cult of brilliant scientists into a conspiratorial web that used the lure of immortality to reach into the power centers of the country.

Then it would probably also be permissible to let adjectives retain their normal initial consonant even when the superlative prefix an comes before it.

In some contexts, it would perhaps be permissible to use either the locative or the allative, resulting in pretty much the same meaning (caitan caimanyassë = "I lie in my bed" / caitan caimanyanna "I lie on my bed").

But since augmentless perfects seem to be permissible, the easiest solution must be to simply omit the augment in the case of such verbs: anta- "give" becoming antië "has given", onot- "count up" becoming onótië "has counted up" (though this is also the perfect of not- "reckon"!