| flourishing(rich, robust, thriving, loaded, successful) |
| flowing(adjective, calm, quiet, light, smooth) |
| fluent(adjective, calm, quiet, light, smooth) |
| fluffy(adjective, smooth, soft, easy, thin) |
| fluid(adjective, smooth, soft, easy, thin) |
| formless(adjective, smooth, soft, easy, thin) |
| forthright(adjective, calm, quiet, light, smooth) |
| fortunate(rich, robust, thriving, loaded, successful) |
| forward(adjective, close, open, free, easy) |
| free(adjective, close, open, easy, friendly) |
| free-and-easy(adjective, close, open, free, easy) |
| free from danger(expression, adjective, idiom, secure, safe) |
| furry(adjective, smooth, soft, easy, thin) |
| gasproof |
| gastight |
| gelatinous(adjective, smooth, soft, easy, thin) |
| good feeling(expression, adjective, secure, soft, pleasant) |
| gracious(adjective, calm, close, open, easy) |
| gratified(adjective, secure, soft, pleasant, easy) |
| guarded(adjective, secure, safe, intact, sheltered) |