conditional
con‧di‧tion‧al1 /kənˈdɪʃənəl/ 
adjective
OPP unconditional:
a conditional acceptance
conditional on/upon
His agreement to buy our house was conditional on our leaving all the furniture in it.
2. in grammar, a conditional sentence is one that begins with ‘if’ or ‘unless’ and expresses something that must be true or happen before something else can be true or happen
—conditionally adverb
conditional2 noun [countable]
a sentence or clause that is expressed in a conditional form
| I |
adjective Word Family: noun: condition, precondition, conditioner, conditioning; verb: condition; adverb: conditionally ≠ unconditionally; adjective: conditional ≠ unconditional
1. if an offer, agreement etc is conditional, it will only be done if something else happens first OPP unconditional:
conditional on/upon
2. in grammar, a conditional sentence is one that begins with ‘if’ or ‘unless’ and expresses something that must be true or happen before something else can be true or happen
—conditionally adverb
| II |
noun [countable]a sentence or clause that is expressed in a conditional form