| strange(irregular, unpredictable, unreliable) |
| tremendous(adjective, huge, vast, endless, immense) |
| unforeseeable(adjective, doubtful, vague, hesitant, unpredictable) |
| unmeasured |
| unreliable(adjective, insecure, treacherous) |
| without end(expression, idiom, constant, absolute, abundant) |
| without limit(expression, adjective, idiom, vast, endless) |
| without number(expression, adjective, idiom, limitless, infinity) |
| Brobdingnagian(adjective, huge, vast, massive) |
| ambiguous(doubtful, vague, unsure) |
| ceaseless(adjective, constant, abundant, unrestrained, endless) |
| changeable(uncertain, irregular, doubtful, vague, hesitant) |
| colossal(adjective, huge, vast, endless, immense) |
| considerable |
| elephantine(adjective, huge, vast, massive) |
| extensive(huge, vast, endless, immense, infinite) |
| fathomless(adjective, immeasurable) |
| gigantic(adjective, huge, vast, immense, massive) |
| hesitant(doubtful, vague, changeable, unsure, questionable) |
| humongous(adjective, huge, vast, massive) |