conditional

[ kuhn-dish-uh-nl ]
/ kənˈdɪʃ ə nl /

adjective

imposing, containing, subject to, or depending on a condition or conditions; not absolute; made or allowed on certain terms: conditional acceptance.
Grammar. (of a sentence, clause, mood, or word) involving or expressing a condition, as the first clause in the sentence If it rains, he won't go.
Logic.
  1. (of a proposition) asserting that the existence or occurrence of one thing or event depends on the existence or occurrence of another thing or event; hypothetical.
  2. (of a syllogism) containing at least one conditional proposition as a premise.
Mathematics. (of an inequality) true for only certain values of the variable, as x + 3 > 0 is only true for real numbers greater than −3.Compare absolute(def 12).

noun

Grammar.
  1. (in some languages) a mood, tense, or other category used in expressing conditions, often corresponding to an English verb phrase beginning with would, as Spanish comería “he would eat.”
  2. a sentence, clause, or word expressing a condition.

Origin of conditional

1350–1400; Middle English condicionel < Anglo-French, Middle French < Late Latin condiciōnālis, equivalent to condiciōn- (stem of condiciō) condition + -ālis -al1

Related forms

con·di·tion·al·i·ty, nouncon·di·tion·al·ly, adverbnon·con·di·tion·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for conditional

British Dictionary definitions for conditional

conditional

/ (kənˈdɪʃənəl) /

adjective

depending on other factors; not certain
grammar (of a clause, conjunction, form of a verb, or whole sentence) expressing a condition on which something else is contingent: " If he comes " is a conditional clause in the sentence " If he comes I shall go "
  1. (of an equation or inequality) true for only certain values of the variable: x ² –1 = x + 1 is a conditional equation, only true for x = 2 or –1
  2. (of an infinite series) divergent when the absolute values of the terms are considered
Also: hypothetical logic (of a proposition) consisting of two component propositions associated by the words if…then so that the proposition is false only when the antecedent is true and the consequent false. Usually written: pq or pq, where p is the antecedent, q the consequent, and → or ⊃ symbolizes implies

noun

grammar
  1. a conditional form of a verb
  2. a conditional clause or sentence
logic a conditional proposition

Derived Forms

conditionality, nounconditionally, adverb
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