| familiar(adjective, open, direct, free, easy) |
| forthrightly(adverb, straight, directly, honestly, frankly) |
| forward(adjective, direct, honest, straightforward, blunt) |
| free spirited(expression, adjective, simple, natural, casual) |
| freely(adverb, straight, directly, honestly, frankly) |
| guileless(adjective, open, direct, free, easy) |
| honest(adjective, open, free, plain, straightforward) |
| impetuous(adjective, simple, natural, casual, impulsive) |
| impromptu(adjective, simple, natural, casual, impulsive) |
| improvised(adjective, simple, natural, casual, impulsive) |
| impulsive(adjective, simple, natural, casual, willing) |
| in truth(expression, adverb, straight, directly, frankly) |
| inevitable(adjective, simple, natural, casual, impulsive) |
| ingenuous(adjective, open, direct, free, easy) |
| instinctive(adjective, simple, natural, casual, impulsive) |
| involuntary(adjective, simple, natural, casual, impulsive) |
| irresistible(adjective, simple, natural, casual, impulsive) |
| laid on the line(expression, idiom, adverb, straight, frankly) |
| level(adverb, straight, directly, honestly, frankly) |
| man-to-man(adjective, open, honest, plain, blunt) |