This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

abbreviation. if and only if

abbreviation. if and only if; used to show that the predicate that follows it has the same truth value as the predicate that precedes it.

"˜Snow is white™ is true in English iff snow is white."

soured    inactive    disconnected    unsatisfactory    to be badly off    to be off one's feed   

on    in    leg    fresh   

offed    offing    offs   

off color    off one's eggs    off grade of oil    either off    off and on    off one's feet    off one's base    off one's hands    off its feet    neither off nor on   

offer   

English words derived from: off (adverb)    English words derived from: off (preposition)    off-campus    offy    offie    off-licence    off-license   

as    separation    away    begone    out   

Christophe    Hoff    Prof.    bake-off    boff    cough    doff    goff    hoff    jerk-off   

horses'    on    on-off    offside    up    above    away    gone    through    within