if
conjunction
[ ɪf ]
• (introducing a conditional clause) on the condition or supposition that; in the event that.
• "if you have a complaint, write to the director"
Similar:
on condition that,
provided (that),
providing (that),
presuming (that),
supposing (that),
assuming (that),
on the assumption that,
allowing (that),
as long as,
given that,
with/on the understanding that,
if and only if,
contingent on,
in the event that,
allowing that,
• despite the possibility that; no matter whether.
• "if it takes me seven years, I shall do it"
• (often used in indirect questions) whether.
• "he asked if we would like some coffee"
• expressing a polite request.
• "if I could just use the phone, I'll get a taxi"
• expressing an opinion.
• "that's a jolly long walk, if you don't mind my saying so"
• expressing surprise or regret.
• "well, if it isn't Frank!"
• (with implied reservation) and perhaps not.
• "the new leaders have little if any control"
if
noun
• a condition or supposition.
• "there are so many ifs and buts in the policy"
Similar:
uncertainty,
doubt,
lack of certainty,
hesitation,
vagueness,
condition,
stipulation,
provision,
proviso,
constraint,
prerequisite,
precondition,
requirement,
specification,
restriction,
supposition,
modification,
Origin:
Old English gif, of Germanic origin; related to Dutch of and German ob .
IF
abbreviation
• intermediate frequency.
once
adverb
• on one occasion or for one time only.
• "they deliver once a week"
Similar:
on one occasion,
one time,
one single time,
Opposite:
twice,
many times,
Origin:
Middle English ones, genitive of one. The spelling change in the 16th century was in order to retain the unvoiced sound of the final consonant.
