| explicitly(adverb, absolutely, definitely, unmistakably, decidedly) |
| express(definite, unqualified, uncompromising) |
| extra(open, free, voluntary, elective) |
| extremely(unmistakably, drastically, prohibitively) |
| facultative(open, free, voluntary, elective) |
| firm(definite, unqualified, uncompromising) |
| for real(expression, adverb, positively, unmistakably, roger) |
| forthright(definite, unqualified, uncompromising) |
| free(open, complete, simple, pure, voluntary) |
| highly(unmistakably, drastically, terrifically, prohibitively, unequivocally) |
| hugely(unmistakably, drastically, terrifically, prohibitively, unequivocally) |
| immense(adjective, endless, infinite, unlimited, limitless) |
| immensely(unmistakably, drastically, terrifically, prohibitively, unequivocally) |
| immoderately(unmistakably, drastically, prohibitively) |
| in a marked degree(expression, idiom, unmistakably, drastically, prohibitively) |
| in point of fact(expression, idiom, adverb, positively, unmistakably) |
| in truth(expression, adverb, positively, unmistakably, roger) |
| incontrovertibly(adverb, absolutely, unmistakably, doubtless, explicitly) |
| indeed(adverb, positively, unmistakably, roger, veritably) |
| indisputably(adverb, absolutely, unmistakably, doubtless, explicitly) |